/ Dictionary / Index R rubeba: Meaning and Definition of Find definitions for: ru•be•ba Pronunciation: (r-bā'bu), [key] — n. a medieval fiddle similar to the rebec. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rube rubefacient Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language