/ Dictionary / Index A anticrepuscular arch: Meaning and Definition of Find definitions for: an'ti•cre•pus'cu•lar arch' Pronunciation: (an'tē-kri-pus'kyu-lur, an'tī-, an"tē-, an"tī-). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Anticosti anticryptic Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language