/ Dictionary / Index K knotty rhatany: Meaning and Definition of Find definitions for: knot'ty rhat'any. Pronunciation: [key] See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. knotty knotweed Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language