/ Dictionary / Index R rubasse: Meaning and Definition of Find definitions for: ru•basse Pronunciation: (r-bas', -bäs'), [key] — n. a variety of bright-red rock crystal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rubarth's disease rubato 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