- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Ostracion \Os*tra"ci*on\, prop. n. [NL., fr. Gr. 'ostra`kion small shell.] (Zool.) A genus of plectognath fishes of the family Ostraciontidae having the body covered with solid, immovable, bony plates. It includes the trunkfishes (also called boxfish). [1913 Webster +PJC]