/ Dictionary / Index S shipworm: Meaning and Definition of Find definitions for: ship•worm Pronunciation: (ship'wûrm"), [key] — n. any of various wormlike marine bivalve mollusks that burrow into the timbers of ships, wharves, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shipworm (Thesaurus) shipway shipwreck Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language