/ Dictionary / Index R rattle-bush: Meaning and Definition of Find definitions for: rat•tle-bush Pronunciation: (rat'l-boosh"), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rattlebrained rattlehead Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language