shell : Idioms & Phrases

Index


acorn-shell

A"corn-shell` noun
Definitions
  1. (Zoöl.) One of the sessile cirripeds; a barnacle of the genus Balanus. See Barnacle.
Webster 1913

Admiral shell

  • (Zoöl.), the popular name of an ornamental cone shell (Conus admiralis).
Webster 1913

Apple snail or Apple shell

  • (Zoöl.), a fresh-water, operculated, spiral shell of the genus Ampullaria.
Webster 1913

argus shell

Ar"gus shell`
Definitions
  1. (Zoöl.) A species of shell (Cypræa argus), beautifully variegated with spots resembling those in a peacock's tail.
Webster 1913

ark shell

  • noun marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
WordNet
Ark" shell`
Definitions
  1. (Zoöl.) A marine bivalve shell belonging to the genus Arca and its allies.
Webster 1913

artillery shell

  • noun a shell fired by artillery
WordNet

blank shell

  • noun a cartridge containing an explosive charge but no bullet
    dummy; blank.
WordNet

Blind shell

  • (Gunnery), a shell containing no charge, or one that does not explode.
Webster 1913

boat shell

Boat" shell`
Definitions
  1. (Zoöl.) (a) A marine gastropod of the genus Crepidula. The species are numerous. It is so named from its form and interior deck. (b) A marine univalve shell of the genus Cymba.
Webster 1913

bubble shell

  • noun marine gastropod mollusk having a very small thin shell
WordNet
Bub"ble shell`
Definitions
  1. (Zoöl.) A marine univalve shell of the genus Bulla and allied genera, belonging to the Tectibranchiata.
Webster 1913

Butterfly shell

  • (Zoöl.), a shell of the genus Voluta.
Webster 1913

Button shell

  • (Zoöl.), a small, univalve marine shell of the genus Rotella.
Webster 1913

Carrier shell

  • (Zoöl.), a univalve shell of the genus Phorus; so called because it fastens bits of stones and broken shells to its own shell, to such an extent as almost to conceal it.
Webster 1913

coat-of-mail shell

  • noun primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
    polyplacophore; chiton; sea cradle.
WordNet

Cocoa shells

  • the husks which separate from the cacao seeds in preparing them for use.
Webster 1913

Crown shell

  • . (Zoöl.) See Acorn-shell.
Webster 1913

Date shell, ∨ Date fish

  • (Zoöl.), a bivalve shell, or its inhabitant, of the genus Pholas, and allied genera. See Pholas.
Webster 1913

Dextral shell

  • (Zoöl.), a spiral shell the whorls of which turn from left right, or like the hands of a watch when the apex of the spire is toward the eye of the observer.
Webster 1913

Disk shell

  • (Zoöl.), any species of Discina.
Webster 1913

Dragon shell

  • (Zoöl.), a species of limpet.
Webster 1913

ear-shell

  • noun any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
    abalone.
WordNet
Ear"-shell` noun
Definitions
  1. (Zoöl.) A flattened marine univalve shell of the genus Haliotis; -- called also sea-ear. See Abalone.
Webster 1913

electron shell

  • noun a grouping of electrons surrounding the nucleus of an atom
    • the chemical properties of an atom are determined by the outermost electron shell
WordNet

Equilateral shell

  • (Zoöl.), one in which a transverse line drawn through the apex of the umbo bisects the valve, or divides it into two equal and symmetrical parts.
Webster 1913

Fan shell

  • (Zoöl.), any shell of the family Pectinidæ. See Scallop, n., 1.
Webster 1913

fig-shell

Fig"-shell` noun
Definitions
  1. (Zoöl.) A marine univalve shell of the genus Pyrula, or Ficula, resembling a fig in form.
Webster 1913

Finger shell

  • (Zoöl.), a marine shell (Pholas dactylus) resembling a finger in form.
Webster 1913

Fountain shell

  • (Zoöl.), the large West Indian conch shell (Strombus gigas).
Webster 1913

gas shell

  • noun (military) bomb consisting of an explosive projectile filled with a toxic gas that is released when the bomb explodes
WordNet

Gold shell

  • . (a) A composition of powdered gold or gold leaf, ground up with gum water and spread on shells, for artists' use; called also gold paint. (b) (Zoöl.) A bivalve shell (Anomia glabra) of the Atlantic coast; called also jingle shell and silver shell. See Anomia.
Webster 1913

goroon shell

Go*roon" shell`
Definitions
  1. (Zoöl.) A large, handsome, marine, univalve shell (Triton femorale).
Webster 1913

Hammer shell

  • (Zoöl.), any species of Malleus, a genus of marine bivalve shells, allied to the pearl oysters, having the wings narrow and elongated, so as to give them a hammer-shaped outline; called also hammer oyster.
Webster 1913

Hard clam, ∨ Hard-shelled clam

  • (Zoöl.), the guahog.
Webster 1913

hard-shell

Hard"-shell` adjective
Definitions
  1. Unyielding; insensible to argument; uncompromising; strict. Collog., U.S.
Webster 1913

hard-shell clam

  • noun Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes
    quahaug; quahog; round clam.
  • noun an edible American clam; the heavy shells were used as money by some American Indians
    Mercenaria mercenaria; quahaug; hard clam; Venus mercenaria; quahog; round clam.
WordNet

hard-shell crab

  • noun edible crab that has not recently molted and so has a hard shell
WordNet

hard-shelled

  • adjective satellite of animals or plants that have a hard shell
WordNet

Harp shell

  • (Zoöl.), a beautiful marine gastropod shell of the genus Harpa, of several species, found in tropical seas. See Harpa.
Webster 1913

Heart shell

  • (Zoöl.), any marine, bivalve shell of the genus Cardium and allied genera, having a heart-shaped shell; esp., the European Isocardia cor; called also heart cockle.
Webster 1913

Hedgehog shell

  • (Zoöl.), any spinose, marine, univalve shell of the genus Murex.
Webster 1913

Helmet shell

  • (Zoöl.), one of many species of tropical marine univalve shells belonging to Cassis and allied genera. Many of them are large and handsome; several are used for cutting as cameos, and hence are called cameo shells. See King conch.
Webster 1913

Horn shell

  • (Zoöl.), any long, sharp, spiral, gastropod shell, of the genus Cerithium, and allied genera.
Webster 1913

Incendiary shell

  • a bombshell. See Carcass, 4.
Webster 1913

ioqua shell

I"o*qua shell`
Etymology
From the native name.
Definitions
  1. (Zoöl.) The shell of a large Dentalium (D. pretiosum), formerly used as shell money, and for ornaments, by the Indians of the west coast of North America.
Webster 1913

Ivory shell

  • (Zoöl.), any species of Eburna, a genus of marine gastropod shells, having a smooth surface, usually white with red or brown spots.
Webster 1913

Jingle shell

  • . See Gold shell (b), under Gold.
Webster 1913

Ladder shell

  • (Zoöl.), a spiral marine shell of the genus Scalaria. See Scalaria.
Webster 1913

Lamp shell

  • noun marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide
    brachiopod; lampshell.
WordNet
  • (Zoöl.), any brachiopod shell of the genus Terebratula and allied genera. The name refers to the shape, which is like that of an antique lamp. See Terebratula.
Webster 1913

Lantern shell

  • (Zoöl.), any translucent, marine, bivalve shell of the genus Anatina, and allied genera.
Webster 1913

Lentil shell

  • (Zoöl.), a small bivalve shell of the genus Ervillia, family Tellinidæ.
Webster 1913

mail-shell

Mail"-shell` noun
Definitions
  1. (Zoöl.) A chiton.
Webster 1913

mask shell

Mask" shell`
Definitions
  1. (Zoöl.) Any spiral marine shell of the genus Persona, having a curiously twisted aperture.
Webster 1913

Mason shell

  • (Zoöl.), a marine univalve shell of the genus Phorus; so called because it cements other shells and pebbles upon its own shell; a carrier shell.
Webster 1913

Message shell

  • a bombshell inside of which papers may be put, in order to convey messages.
  • . See Shell.
Webster 1913

Miter shell

  • (Zoöl.), any one of numerous species of marine univalve shells of the genus Mitra.
Webster 1913

moon shell

  • noun marine gastropods having smooth rounded shells that form short spires
    moonshell.
WordNet

Music shell

  • (Zoöl.), a handsomely colored marine gastropod shell (Voluta musica) found in the East Indies; so called because the color markings often resemble printed music. Sometimes applied to other shells similarly marked.
Webster 1913

Needle shell

  • (Zoöl.), a sea urchin.
Webster 1913

Otter shell

  • (Zoöl.), very large bivalve mollusk (Schizothærus Nuttallii) found on the northwest coast of America. It is excellent food, and is extensively used by the Indians.
Webster 1913

Oyster shell

  • noun a shell of an oyster
WordNet
  • (Zoöl.), the shell of an oyster.
Webster 1913

Partridge shell

  • (Zoöl.), a large marine univalve shell (Dolium perdix), having colors variegated like those of the partridge.
Webster 1913

patty shell

  • noun shell of puff paste
    bouchee.
WordNet

Pear shell

  • (Zoöl.), any marine gastropod shell of the genus Pyrula, native of tropical seas; so called from the shape.
Webster 1913

pearly-shelled mussel

  • noun the pearly lining of the dark shells is a source of mother-of-pearl
WordNet

Perspective shell

  • (Zoöl.), any shell of the genus Solarium and allied genera. See Solarium.
Webster 1913

Pheasant shell

  • (Zoöl.), any marine univalve shell of the genus Phasianella, of which numerous species are found in tropical seas. The shell is smooth and usually richly colored, the colors often forming blotches like those of a pheasant.
Webster 1913

pie shell

  • noun pastry used to hold pie fillings
    pie crust.
WordNet

Pompano shell

  • (Zoöl.), a small bivalve shell of the genus Donax; so called because eaten by the pompano. Florida
Webster 1913

Porcelain shell

  • (Zoöl.), a cowry.
Webster 1913

Porphyry shell

  • (Zoöl.), a handsome marine gastropod shell (Oliva porphyria), having a dark red or brown polished surface, marked with light spots, like porphyry.
Webster 1913

pouch-shell

Pouch"-shell` noun
Definitions
  1. (Zoöl.) A small British and American pond snail (Bulinus hypnorum).
Webster 1913

Purple shell

  • . See Ianthina.
Webster 1913

racing shell

  • noun a very light narrow racing boat
    shell.
WordNet

Razor shell

  • (Zoöl.), any marine bivalve shell belonging to Solen and allied genera, especially Solen, ∨ Ensatella, ensis, ∧ Americana, which have a long, narrow, somewhat curved shell, resembling a razor handle in shape. Called also rasor clam, razor fish, knife handle.
Webster 1913

rice-shell

Rice"-shell` noun
Definitions
  1. (Zoöl.) Any one of numerous species of small white polished marine shells of the genus Olivella.
Webster 1913

Rock shell

  • (Zoöl.), any species of Murex, Purpura, and allied genera.
Webster 1913

Rosary shell

  • (Zoöl.), any marine gastropod shell of the genus Monodonta. They are top-shaped, bright-colored and pearly.
Webster 1913

Saddle shell

  • (Zoöl.), any thin plicated bivalve shaell of the genera Placuna and Anomia; so called from its shape. Called also saddle oyster.
Webster 1913

Saint Jame's shell

  • (Zoöl.), a pecten (Vola Jacobæus) worn by piligrims to the Holy Land. See Illust. under Scallop.
Webster 1913

scallop shell

  • noun a shell of a scallop
WordNet

Scorpion shell

  • noun any of numerous tropical marine snails that as adults have the outer lip of the aperture produced into a series of long curved spines
WordNet
  • (Zoöl.), any shell of the genus Pteroceras. See Pteroceras.
Webster 1913

Screw shell

  • (Zoöl.), a long, slender, spiral gastropod shell, especially of the genus Turritella and allied genera. See Turritella.
Webster 1913

shell bean

  • noun a bean plant grown primarily for its edible seed rather than its pod
    shell bean.
  • noun unripe beans removed from the pod before cooking
WordNet

shell bean plant

  • noun a bean plant grown primarily for its edible seed rather than its pod
    shell bean.
WordNet

Shell bit

  • a tool shaped like a gouge, used with a brace in boring wood. See Bit, n., 3.
Webster 1913

Shell button

  • . (a) A button made of shell . (b) A hollow button made of two pieces, as of metal, one for the front and the other for the back, often covered with cloth, silk, etc.
Webster 1913

Shell cameo

  • a cameo cut in shell instead of stone.
Webster 1913

shell collecting

  • noun the collection and study of mollusc shells
    conchology.
WordNet

shell corporation

  • noun a company that is incorporated but has no assets or operations
    shell corporation.
WordNet

shell entity

  • noun a company that is incorporated but has no assets or operations
    shell corporation.
WordNet

Shell flower

  • . (Bot.) Same as Turtlehead.
Webster 1913

shell game

  • noun a swindling sleight-of-hand game; victim guesses which of three things a pellet is under
    thimblerig.
WordNet

shell ginger

  • noun cultivated for its shining oblong leaves and arching clusters of white flowers with pink shading and crinkled yellow lips with variegated magenta stripes
    Languas speciosa; shall-flower; shellflower; Alpinia Zerumbet; Alpinia speciosa.
WordNet

Shell gland

  • . (Zoöl.) (a) A glandular organ in which the rudimentary shell is formed in embryonic mollusks . (b) A glandular organ which secretes the eggshells of various worms, crustacea, mollusks, etc.
Webster 1913

Shell gun

  • a cannon suitable for throwing shells.
Webster 1913

Shell ibis

  • (Zoöl.), the openbill of India.
Webster 1913

Shell jacket

  • noun waist-length jacket tapering to a point at the back; worn by officers in the mess for formal dinners
    monkey jacket; mess jacket.
WordNet
  • an undress military jacket.
Webster 1913

Shell lime

  • lime made by burning the shells of shellfish.
Webster 1913

Shell marl

  • (Min.), a kind of marl characterized by an abundance of shells, or fragments of shells.
Webster 1913

Shell meat

  • food consisting of shellfish, or testaceous mollusks. Fuller.
Webster 1913

Shell mound

  • . See under Mound.
Webster 1913

Shell of a boiler

  • the exterior of a steam boiler, forming a case to contain the water and steam, often inclosing also flues and the furnace; the barrel of a cylindrical, or locomotive, boiler.
Webster 1913

shell out

  • verb administer or bestow, as in small portions
    dish out; deal; parcel out; dispense; distribute; dole out; administer; allot; lot; deal out; mete out.
    • administer critical remarks to everyone present
    • dole out some money
    • shell out pocket money for the children
    • deal a blow to someone
    • the machine dispenses soft drinks
WordNet

shell parakeet

  • noun small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors
    budgerygah; budgereegah; budgie; budgerigar; grass parakeet; lovebird; Melopsittacus undulatus.
WordNet

shell plating

  • noun the plates covering the frame of a steel ship and corresponding to the planking of a wooden ship
WordNet

Shell road

  • a road of which the surface or bed is made of shells, as oyster shells.
Webster 1913

Shell sand

  • minute fragments of shells constituting a considerable part of the seabeach in some places.
Webster 1913

shell shock

  • noun a mental disorder caused by stress of active warfare
    combat neurosis; battle fatigue; combat fatigue.
WordNet

shell stitch

  • noun a crochet stitch
  • verb make by shell stitching
WordNet

shell-flower

  • noun showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
    Chelone glabra; shellflower; turtlehead; snake-head; snakehead.
WordNet

shell-lac

Shell"-lac`, Shel"lac` noun (Also<
  • Shell-lac
  • Shellac
)
Etymology
Shell + lac a resinous substance; cf. D. shellak, G. schellack.
Definitions
  1. See the Note under 2d Lac.
Webster 1913

shell-less

  • adjective of animals or fruits that have no shell
    unshelled.
WordNet
Shell"-less
Definitions
  1. , a. Having no shell. J. Burroughs.
Webster 1913

shotgun shell

  • noun a shell containing lead shot; used in shotguns
WordNet

Shrapnel shell

  • (Gunnery), a projectile for a cannon, consisting of a shell filled with bullets and a small bursting charge to scatter them at any given point while in flight. See the Note under Case shot.
Webster 1913

Shuttle shell

  • (Zoöl.), any one of numerous species of marine gastropods of the genus Volva, or Radius, having a smooth, spindle-shaped shell prolonged into a channel at each end.
Webster 1913

Silver shell

  • (Zoöl.), a marine bivalve of the genus Anomia. See Anomia.
Webster 1913

single shell

  • noun a shell for a single oarsman
    racing skiff.
WordNet

single-shelled

  • adjective satellite univalve
WordNet

Slipper limpet, ∨ Slipper shell

  • (Zoöl.), a boat shell.
Webster 1913

slit-shell

Slit"-shell" noun
Definitions
  1. (Zoöl.) Any species of Pleurotomaria, a genus of beautiful, pearly, spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas.
Webster 1913

smooth-shelled

  • adjective satellite having a smooth shell
WordNet

Snail shell

  • (Zoöl.), the shell of snail.
Webster 1913

soft-shell

Soft"-shell`, Soft"-shelled` adjective (Also<
  • Soft-shell
  • Soft-shelled
)
Definitions
  1. Having a soft or fragile shell.
Webster 1913

Soft-shell clam

  • noun a clam that is usually steamed in the shell
    long-neck clam; steamer; steamer clam.
  • noun an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
    long-neck clam; steamer; steamer clam; Mya arenaria.
WordNet
  • (Zoöl.), the long clam. See Mya.
Webster 1913

soft-shell crab

  • noun freshly molted crab with new shell still tender and flexible
    soft-shell crab.
  • noun edible crab that has recently molted and not yet formed its new shell
    soft-shell crab.
WordNet

Soft-shell tortoise

  • . (Zoöl.) See Trionyx.
Webster 1913

Soft-shelled crab

  • noun freshly molted crab with new shell still tender and flexible
    soft-shell crab.
  • noun edible crab that has recently molted and not yet formed its new shell
    soft-shell crab.
WordNet
  • . (Zoöl.) See the Note under Crab, 1.
Webster 1913

Soft-shelled turtle

  • noun voracious aquatic turtle with a flat flexible shell covered by a leathery skin; can inflict painful bites
    pancake turtle.
WordNet
  • . (Zoöl.) Same as Soft tortoise, under Soft.
Webster 1913

Spider shell

  • (Zoöl.), any shell of the genus Pteroceras. See Pteroceras.
Webster 1913

Spike shell

  • (Zoöl.), any pteropod of the genus Styliola having a slender conical shell.
Webster 1913

Spindle shell

  • . (Zoöl.) See Spindle, 7. above.
Webster 1913

Spiral shell

  • any shell in which the whorls form a spiral or helix.
Webster 1913

spiral-shelled

  • adjective satellite having a shell that forms a spiral
WordNet

spur-shell

Spur"-shell` noun
Definitions
  1. (Zoöl.) Any one of several species of handsome gastropod shells of the genus Trochus, or Imperator. The shell is conical, with the margin toothed somewhat like the rowel of a spur.
Webster 1913

Staircase shell

  • . (Zoöl.) (a) Any scalaria, or wentletrap . (b) Any species of Solarium, or perspective shell.
Webster 1913

star shell

  • noun an artillery shell containing an illuminant
WordNet

sugar shell

  • noun a spoon for serving sugar; often made in the shape of a seashell
    sugar spoon.
WordNet

Sundial shell

  • (Zoöl.), any shell of the genus Solarium. See Solarium.
Webster 1913

Sunset shell

  • (Zoöl.), a West Indian marine bivalve (Tellina radiata) having a smooth shell marked with radiating bands of varied colors resembling those seen at sunset or before sunrise; called also rising sun.
Webster 1913

tank shell

  • noun a shell fired by the cannon on a tank
WordNet

Telescope shell

  • (Zoöl.), an elongated gastropod (Cerithium telescopium) having numerous flattened whorls.
Webster 1913

thin-shelled

  • adjective satellite of animals or plants that have a thin shell
WordNet

thin-shelled mussel

  • noun mussel with thin fragile shells having only rudimentary hinge teeth
WordNet

Tiger shell

  • (Zoöl.), a large and conspicuously spotted cowrie (Cypræa tigris); so called from its fancied resemblance to a tiger in color and markings. Called also tiger cowrie.
Webster 1913

To shell out

  • to distribute freely; to bring out or pay, as money. Colloq.
Webster 1913

tongue-shell

Tongue"-shell` noun
Definitions
  1. Any species of Lingula.
Webster 1913

tooth shell

  • noun any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing
    tooth shell.
WordNet

top-shell

Top"-shell` noun
Definitions
  1. (Zoöl.) Any one of numerous species of marine top_shaped shells of the genus Thochus, or family Trochidæ.
Webster 1913

Tortoise shell

  • the substance of the shell or horny plates of several species of sea turtles, especially of the hawkbill turtle. It is used in inlaying and in the manufacture of various ornamental articles.
Webster 1913

Tortoise-shell butterfly

  • (Zoöl.), any one of several species of handsomely colored butterflies of the genus Aglais, as A. Milberti, and A. urticæ, both of which, in the larva state, feed upon nettles.
Webster 1913

Tortoise-shell turtle

  • (Zoöl.), the hawkbill turtle. See Hawkbill.
Webster 1913

trough-shell

Trough"-shell` noun
Definitions
  1. (Zoöl.) Any bivalve shell of the genus Mactra. See Mactra.
Webster 1913

Trumpet shell

  • (Zoöl.), any species of large marine univalve shells belonging to Triton and allied genera. See Triton, 2.
Webster 1913

tube-shell

Tube"-shell` noun
Definitions
  1. (Zoöl.) Any bivalve mollusk which secretes a shelly tube around its siphon, as the watering-shell.
Webster 1913

tulip-shell

Tu"lip-shell` noun
Definitions
  1. (Zoöl.) A large, handsomely colored, marine univalve shell (Fasciolaria tulipa) native of the Southern United States. The name is sometimes applied also to other species of Fasciolaria.
Webster 1913

turban-shell

Tur"ban-shell` noun
Definitions
  1. (Zoöl.) A sea urchin when deprived of its spines; -- popularly so called from a fancied resemblance to a turban.
Webster 1913

turnip-shell

Tur"nip-shell" noun
Definitions
  1. (Zoöl.) Any one of several large, thick, spiral marine shells belonging to Rapa and allied genera, somewhat turnip-shaped.
Webster 1913

Turtle shell

  • tortoise shell. See under Tortoise.
Webster 1913

turtle-shell

Tur"tle-shell` noun
Definitions
  1. The turtle cowrie.
Webster 1913

tusk shell

  • noun any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing
    tooth shell.
WordNet

tusk-shell

Tusk"-shell` noun
Definitions
  1. (Zoöl.) See 2d Tusk, n., 2.
Webster 1913

Umbrella shell

  • . (Zoöl.) See Umbrella, 3.
Webster 1913

Unicorn shell

  • (Zoöl.), any one of several species of marine gastropods having a prominent spine on the lip of the shell. Most of them belong to the genera Monoceros and Leucozonia.
Webster 1913

valve-shell

Valve"-shell` noun
Definitions
  1. (Zoöl.) Any fresh-water gastropod of the genus Valvata.
Webster 1913

Ventricose shell

  • . (Zoöl.) (a) A spiral shell having the body whorls rounded or swollen in the middle. (b) A bivalve shell in which the valves are strongly convex.
Webster 1913

Venus's shell

  • . (Zoöl.) (a) Any species of Cypræa; a cowrie. (b) Same as Venus's comb, above. (c) Same as Venus, 4.
Webster 1913

Violet shell

  • (Zoöl.), any species of Ianthina; called also violet snail. See Lanthina.
Webster 1913

Viviparous shell

  • (Zoöl.), any one of numerous species of operculated fresh-water gastropods belonging to Viviparus, Melantho, and allied genera. Their young, when born, have a well-developed spiral shell.
Webster 1913

wedge-shell

Wedge"-shell` noun
Definitions
  1. (Zoöl.) Any one of numerous species of small marine bivalves belonging to Donax and allied genera in which the shell is wedge-shaped.
Webster 1913

whizbang shell

  • noun a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
    whizzbang; whizbang.
WordNet

Window shell

  • (Zoöl.), the window oyster.
Webster 1913

Wing shell

  • (Zoöl.), wing case of an insect.
Webster 1913

wing-shell

Wing"-shell` noun
Definitions
  1. (Zoöl.) (a) Any one of various species of marine bivalve shells belonging to the genus Avicula, in which the hinge border projects like a wing. (b) Any marine gastropod shell of the genus Strombus. See Strombus. (c) Any pteropod shell.
Webster 1913

Woodcock shell

  • the shell of certain mollusks of the genus Murex, having a very long canal, with or without spines.
Webster 1913

worm-shell

Worm"-shell` noun
Definitions
  1. (Zoöl.) Any species of Vermetus.
Webster 1913

wreath-shell

Wreath"-shell` noun
Definitions
  1. (Zoöl.) A marine shell of the genus Turbo. See Turbo.
Webster 1913