/ Dictionary / Index C Chasles: Meaning and Definition of Find definitions for: Chasles Pronunciation: (shäl), [key] 1793–1880, French mathematician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chasing chasm Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language