keyhole : Idioms & Phrases

Index

Keyhole limpet

  • noun marine limpet having a conical shell with an opening at the apex
    Fissurella apertura; Diodora apertura.
WordNet
  • (Zoöl.), a marine gastropod of the genus Fissurella and allied genera. See Fissurella.
Webster 1913

Keyhole saw

  • noun a handsaw with a long narrow blade for cutting short radius curves; similar to a compass saw
WordNet
  • a narrow, slender saw, used in cutting keyholes, etc., as in doors; a kind of compass saw or fret saw.
Webster 1913

Keyhole urchin

  • (Zoöl.), any one of numerous clypeastroid sea urchins, of the genera Melitta, Rotula, and Encope; so called because they have one or more perforations resembling keyholes.
Webster 1913