/ Dictionary / Index C Callippus: Meaning and Definition of Find definitions for: Cal•lip•pus Pronunciation: (ku-lip'us), [key] — n. fl. 4th century b.c., Greek astronomer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Callippic cycle callipygian 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