/ Dictionary / Index R rattoon: Meaning and Definition of Find definitions for: rat•toon Pronunciation: (ra-tn'), [key] — n., v.i., v.t. ratoon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ratton rattrap Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language