'Dipterygian' definitions:
Definition of '
Dipterygian
'
From:
GCIDE
Dipterygian \Dip`ter*yg"i*an\, a. [Gr. di- = di`s- twice + ? a fin, dim. of ? wing.] (Zool.) Having two dorsal fins; -- said of certain fishes. [1913 Webster]
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