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piddock

 - 3 dictionary results

pid⋅dock

[pid-uhk]
–noun
any bivalve mollusk of the genus Pholas or the family Pholadidae, having long, ovate shells and burrowing in soft rock, wood, etc.

Origin:
1850–55; perh. akin to OE puduc wart
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pid·dock   (pĭd'ək)   
n.  A marine bivalve mollusk of the family Pholadidae, having a long shell with which it bores into wood, rock, and clay, often causing destruction of wharf pilings.

[Origin unknown.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia

piddock

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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