/ Dictionary / Index R regle: Meaning and Definition of Find definitions for: re•gle Pronunciation: (rē'gul), [key] — n. a groove or channel for guiding a sliding door. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. regius reglet 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