/ Dictionary / Index G gulch: Meaning and Definition of Find definitions for: gulch Pronunciation: (gulch), [key] — n. a deep, narrow ravine, esp. one marking the course of a stream or torrent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gulch (Thesaurus) gulag gulden Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language