/ Dictionary / Index C circumcircle: Meaning and Definition of Find definitions for: cir•cum•cir•cle Pronunciation: (sûr'kum-sûr"kul), [key] — n. Geom. a circle circumscribed about a figure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. circumcenter circumcise Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language