trunkfish n 1: any of numerous small tropical fishes having body and head encased in bony plates [syn: {boxfish}, {trunkfish}]
Trunkfish \Trunk"fish`\, n. (Zool.) Any one of several species of plectognath fishes, belonging to the genus {Ostracion}, or the family {Ostraciontidae}, having an angular body covered with a rigid integument consisting of bony scales. Some of the species are called also {coffer fish}, and {boxfish}. [1913 Webster]
Cowfish \Cow"fish`\ (kou"f[i^]sh`), n. (Zool.) (a) The grampus. (b) A California dolphin ({Tursiops Gillii}). (c) A marine plectognath fish ({Ostracoin quadricorne}, and allied species), having two projections, like horns, in front; -- called also {cuckold}, {coffer fish}, {trunkfish}. [1913 Webster]