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[pid-uh k] /ˈpɪd ək/
any bivalve mollusk of the genus Pholas or the family Pholadidae, having long, ovate shells and burrowing in soft rock, wood, etc.
1850-55; perhaps akin to Old English puduc wart Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for piddock
  • Unlike the geoduck siphon, which has a leathery feel, the piddock siphon feels slippery and slimy.
British Dictionary definitions for piddock


any marine bivalve of the family Pholadidae, boring into rock, clay, or wood by means of sawlike shell valves See also shipworm
Word Origin
C19: origin uncertain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for piddock

boring clam

any of the marine bivalve mollusks of the family Pholadidae (Adesmoidea). Worldwide in distribution, they are especially adapted for boring into rock, shells, peat, hard clay, or mud. Most species occur in the intertidal zone, a few in deeper water.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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