bivalve

/ˈbaɪvælv/
noun
  1. A type of mollusk (such as a clam, oyster, mussel, or scallop) that has a soft body protected by two hinged shells.
    • The biologist studied how bivalves filter water to feed.
    • We found several bivalves on the beach after the tide went out.
    • Oysters are a popular bivalve often eaten raw or cooked.
adjective
  1. Having two hinged shells or valves, like a clam or oyster.
    • This bivalve structure helps the animal protect itself from predators.
    • The bivalve shell was perfectly preserved in the fossil.
    • Mussels are bivalve creatures that attach to rocks.
Antonyms
What does "bivalve" mean? | whatsthatwordmean | whatsthatwordmean