/ Dictionary / Index K knock-knee: Meaning and Definition of Find definitions for: knock-knee Pronunciation: (nok'nē"), [key] — n. inward curvature of the legs, causing the knees to knock together in walking. the knees of a person whose legs have such curvature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: knock-knee (Thesaurus) knocker knockoff Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language