/ Dictionary / Index R reentering polygon: Meaning and Definition of Find definitions for: reen'tering pol"ygon Pronunciation: [key] a polygon having one or more reentering angles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reentering angle reentrant Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language