/ Dictionary / Index C cottonwood: Meaning and Definition of Find definitions for: cot•ton•wood Pronunciation: (kot'n-wood"), [key] — n. any of several American poplars, as Populus deltoides, having toothed, triangular leaves and cottonlike tufts on the seeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cottonwood (Thesaurus) cottonwick cotton wool 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