/ Dictionary / Index C Chaldea: Meaning and Definition of Find definitions for: Chal•de•a Pronunciation: (kal-dē'u), [key] — n. an ancient region in the lower Tigris and Euphrates valley, in S Babylonia. Babylonia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chaldea (Thesaurus) Chaldaic Chaldean 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