/ Dictionary / Index M main brace: Meaning and Definition of Find definitions for: main' brace' Pronunciation: [key] a brace leading to a main yard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. main body main chance Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language