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Related to piddock: Pholadidae
Any of several marine bivalve mollusks of the family Pholadidae, having a long rasping shell used to bore into wood, rock, and clay, and often damaging jetties and wharves.
(Animals) any marine bivalve of the family Pholadidae, boring into rock, clay, or wood by means of sawlike shell valves. See also shipworm
[C19: origin uncertain]
any bivalve mollusk of the family Pholadidae, able to burrow in soft rock, wood, etc.
[1850–55; of obscure orig.]
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|Noun||1.||piddock - marine bivalve that bores into rock or clay or wood by means of saw-like shells|
bivalve, lamellibranch, pelecypod - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together