Os·​tra·​ci·​on | \äˈstrās(h)ēˌän\

Definition of Ostracion 

: 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

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History and Etymology for Ostracion

New Latin Ostraciont-, Ostracion, irregular from Greek ostrakion small shell, diminutive of ostrakon shell

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obstinately defiant of authority

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