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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Origin and Etymology of ostracion
New Latin Ostraciont-, Ostracion, irregular from Greek ostrakion small shell, diminutive of ostrakon shell
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