/ Dictionary / Index P piddock: Meaning and Definition of Find definitions for: pid•dock Pronunciation: (pid'uk), [key] — n. any bivalve mollusk of the genus Pholas or the family Pholadidae, having long, ovate shells and burrowing in soft rock, wood, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: piddock (Thesaurus) piddling Pidgeon Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language