/ Dictionary / Index C cotton gin: Meaning and Definition of Find definitions for: cot'ton gin" Pronunciation: [key] a machine for separating the fibers of cotton from the seeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cotton flannel cotton grass Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language