Meaning: used of mollusks having two shells (as clams etc.)
meaning of the word
bivalve, pelecypod, lamellibranch
Meaning: marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
In the Lamellibranchiata, or bivalve shells, hermaphroditism is not rare.
Then slowly the great shell closed, once more the shouting crowds seized hold of the straining ropes, and the great bivalve with its fair freight was drawn slowly along through the gayly illuminated streets.