from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having two valves.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having two valves, as the oyster and some seed pods; bivalve.
from The Century Dictionary and Cyclopedia
- Having two valves. Also bivalvous.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. used of mollusks having two shells (as clams etc.)
bi- + valved (Wiktionary)