/ Dictionary / Index S surf clam: Meaning and Definition of Find definitions for: surf' clam" Pronunciation: [key] any of several typically large common clams of the family Mactridae, inhabiting the zone of breaking surf in coastal waters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. surf casting surf duck Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language