äˈstrās(h)ēˌän noun
Usage: capitalized
Etymology: New Latin Ostraciont-, Ostracion, irregular from Greek ostrakion small shell, diminutive of ostrakon shell
: a genus of boxfishes that is the type of the family Ostraciontidae, is now restricted to forms found chiefly in East Indian waters, and is characterized by a carapace of more or less quadrangular section