/ Dictionary / Index C Caspian: Meaning and Definition of Find definitions for: Cas•pi•an Pronunciation: (kas'pē-un), [key] — adj. of or pertaining to the Caspian Sea. —n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caspian (Thesaurus) Casper Caspian Sea Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language