/ Dictionary / Index G gapeworm: Meaning and Definition of Find definitions for: gape•worm Pronunciation: (gāp'wûrm", gap'-), [key] — n. a nematode worm, Syngamus trachea, that causes gapes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gapeseed gap junction 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