from the GNU version of the Collaborative International Dictionary of English
- n. A genus of bivalve Mollusca which includes the true oysters.
from The Century Dictionary and Cyclopedia
- n. The typical and leading genus of the oyster family, Ostreidæ having the shell inequilateral and inequivalve, with one valve flatter than the other.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. type genus of the family Ostreidae
Sorry, no etymologies found.