/ Dictionary / Index G gullywasher: Meaning and Definition of Find definitions for: gul•ly•wash•er Pronunciation: (gul'ē wosh"ur, -wô"shur), [key] — n. Chiefly Midland and Western U.S. a usually short, heavy rainstorm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gully gulosity Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language