plectognath
plec.to.gnath \'plek-.ta:g-.nath, -t*(g)-\ n [deriv. of Gk plektos twisted (fr. plekein to braid) + gnathosX jaw - more at PLY, GNATH- : any of an order (Plectognathi) of bony fishes including the filefishes, puffers, and triggerfishes and usu. having the body covered with bony plates, spines, or ossicles - plectognath aj