'Gryphaea' definitions:

Definition of 'Gryphaea'

From: GCIDE
  • Gryphaea \Gry*ph[ae]"a\, prop. n. [NL., fr. I gryphus, or qryps, gen. gryphis, a griffin.] (Zool.) A genus of cretaceous fossil shells allied to the oyster. [1913 Webster]