- any mollusk of the class Pelecypoda (Lamellibranchiata), characterized by a bivalve shell enclosing the headless body and lamellate gills, comprising the oysters, clams, mussels, and scallops.
- Also pel·e·cyp·o·dous [pel-uh-sip-uh-duh s] /ˌpɛl əˈsɪp ə dəs/. belonging or pertaining to the Pelecypoda.
Origin of pelecypod
1855–60; < New Latin Pelecypoda < Greek péleky(s) hatchet + New Latin -poda; see -pod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pelecypod
Excepting in a few families, the pelecypod foot is well developed.
When a pelecypod dies and the pull of the adductor muscles is released, the valves gape open.
The greatest possible degree of variation exists in the structure of the pelecypod shell.
A good balance is preserved between them all, the result being a high type of pelecypod.
In this family we encounter, rather suddenly, some new features not heretofore seen in the pelecypod structure.
C19: from Greek pelekus hatchet + -pod