/ Dictionary / Index B Babylonia: Meaning and Definition of Find definitions for: Bab•y•lo•ni•a Pronunciation: (bab"u-lō'nē-u,--lōn'yu), [key] — n. an ancient empire in SW Asia, in the lower Euphrates valley: its greatest period was 2800–1750 b.c. Cap.: Babylon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: babylonia (Thesaurus) Babylon Babylonian Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language