/ Dictionary / Index R rouster: Meaning and Definition of Find definitions for: roust•er Pronunciation: (rou'stur), [key] — n. roustabout (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. roustabout rout Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language