/ Dictionary / Index C crepuscule: Meaning and Definition of Find definitions for: cre•pus•cule Pronunciation: (kri-pus'kyl, krep'u-skyl"), [key] — n. twilight; dusk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crepuscule (Thesaurus) crepuscular ray cres. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language