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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any bivalve mollusk of the family Pholadidae, able to burrow in soft rock, wood, etc.
[1850–55; of obscure orig.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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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
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