/ Dictionary / Index R Rigil Kentaurus: Meaning and Definition of Find definitions for: Ri•gil Ken•tau•rus Pronunciation: (rī'jul ken-tôr'us, -gul). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rigid motion rigmarole 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