/ Dictionary / Index G gals.: Meaning and Definition of Find definitions for: gals. Pronunciation: [key] gallons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gals (Thesaurus) galosh Galsworthy Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language