/ Dictionary / Index K knee brace: Meaning and Definition of Find definitions for: knee' brace" Pronunciation: [key] — Building Trades. Building Trades. a diagonal member for bracing the angle between two joined members, as a stud or column and a joist or rafter, being joined to each partway along its length. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. knee bend knee breeches Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language