2A burrowing bivalve mollusk, the shell valves of which have an opening at one or both ends.
- Genus Mya, family Myidae
More example sentences
- Areas exhibiting mixed sand and mud constitute a relatively stable substrate in which typical sand-living animals, such as sand gapers, lugworms, and razor shells, dwell.
- Well-known bivalves to which the name gaper could be applied are the razor clam, and the soft-shelled clam; but the latter is something of an exception in that it can survive for some time without water (indeed without oxygen).
- And the prized geoduck - the largest burrowing clam in the world - is occasionally found among the gaper clams in Tomales Bay.
Definition of gaper in:
- The British & World English dictionary