Pronunciation: (trungk'fish"), [key]
—pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
any plectognath fish of the family Ostraciontidae, of warm seas, having a boxlike body encased in bony, polygonal plates. Also called boxfish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.