plectognathi Meaning, Definition & Usage

  1. noun boxfishes; filefishes; globefishes; ocean sunfishes; triggerfishes; puffers
    order Plectognathi; order Tetraodontiformes.

WordNet

Plec*to"gna*thi noun plural
Etymology
NL., from Gr. twisted (fr. to plait, twist) + jaw.
Definitions
  1. (Zoöl.) An order of fishes generally having the maxillary bone united with the premaxillary, and the articular united with the dentary. ✍ The upper jaw is immovably joined to the skull; the ventral fins are rudimentary or wanting; and the body is covered with bony plates, spines, or small rough ossicles, like shagreen. The order includes the diodons, filefishes, globefishes, and trunkfishes.

Webster 1913