/ Dictionary / Index R red brass: Meaning and Definition of Find definitions for: red' brass' Pronunciation: [key] an alloy of from 77 to 86 percent copper with the balance zinc; Mannheim gold. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Red Branch redbreast Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language