1) Boxfish 2) Cowfish 1) Boxfish 2) Fish 3) Plectognath 4) Plectognath fish 5) Swimmer with a boxlike body 
• (n.) 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.