/ Dictionary / Index G gig mill: Meaning and Definition of Find definitions for: gig' mill" Pronunciation: [key] gig (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gigli GIGO Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language