/ Dictionary / Index C cotton wool: Meaning and Definition of Find definitions for: cot'ton wool' Pronunciation: [key] cotton in its raw state, as on the boll or gathered but unprocessed. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cottonwood cottony Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language