/ Dictionary / Index S simple closed curve: Meaning and Definition of Find definitions for: sim'ple closed' curve' Pronunciation: [key] — Math. Math. a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. simple chancre simple enumeration Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language