/ Dictionary / Index C Cassel: Meaning and Definition of Find definitions for: Cas•sel Pronunciation: (kas'ul Ger. kä'sul), [key] — n. Kassel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cassegrain telescope Casselberry Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language