/ Dictionary / Index C clamworm: Meaning and Definition of Find definitions for: clam•worm Pronunciation: (klam'wûrm"), [key] — n. any of several burrowing polychaete worms of the genus Nereis, used as bait for fishing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clamshell door clan Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language