Definition of: plectognath

(plek′tog·nath) noun
Any of an order of suborder (Plectognathi) of teleost fishes having spiny bodies, generally inedible and often poisonous flesh, and including a large number of odd forms, as the triggerfishes, swellfishes, globefishes, etc.,
—adjective Of or pertaining to the Plectognathi. [<Gk. plektos twisted + gnathos jaw]