Английский разговорный словарь (основной) - bivalve
Bivalve
bivalve
ˈbaɪvælv n. & adj. --n. any of a group of aquatic molluscs of theclass Bivalvia, with laterally compressed bodies enclosed withintwo hinged shells, e.g. oysters, mussels, etc. --adj. 1 with a hinged doubleshell. 2 Biol. having two valves, e.g. of a pea-pod.