• WordNet 3.6
    • adj pelecypod bivalve
    • n pelecypod marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
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Century Dictionary and Cyclopedia
    • pelecypod Having a hatchet-shaped foot; of or pertaining to the Pelecypoda; lamellibranchiate, as a mollusk.
    • n pelecypod A bivalve mollusk; a lamellibranch.
    • ***


In literature:

The oyster may be taken as the type of the form adopted by attached pelecypods.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard