/ Dictionary / Index R Rigel Kentaurus: Meaning and Definition of Find definitions for: Ri'gel Ken•tau'rus Pronunciation: (ken-tôr'us), [key] — Astron. Astron. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rigel rigger Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language