from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the family Arcidae of saltwater clams or marine bivalve molluscs.
from the GNU version of the Collaborative International Dictionary of English
- A marine bivalve shell belonging to the genus Arca and its allies.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
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