/ Dictionary / Index W wormhole: Meaning and Definition of Find definitions for: worm•hole Pronunciation: (wûrm'hōl"), [key] — n. a hole made by a burrowing or gnawing worm, as in timber, nuts, etc. a theoretical passageway in space between a black hole and a white hole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wormhole (Thesaurus) worm grass worm lizard Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language