• synonyms

ark shell

See more synonyms for ark shell on Thesaurus.com
  1. any marine bivalve of the family Arcidae, especially of the genus Arca, characterized by a heavy shell with a toothed hinge and a deep, boatlike inner surface.
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Origin of ark shell

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018