/ Dictionary / Index R rerebrace: Meaning and Definition of Find definitions for: rere•brace Pronunciation: (rēr'brās"), [key] — n. Armor. a piece of plate armor for the upper arm; an upper cannon. Cf.(def. 1). See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rerebrace (Thesaurus) reradiation re-record Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language