Babylonian \Bab`y*lo"ni*an\, a. Of or pertaining to the real or to the mystical Babylon, or to the ancient kingdom of Babylonia; Chaldean.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Babylonian \Bab`y*lo"ni*an\, n.

1. An inhabitant of Babylonia (which included Chaldea); a Chaldean.

2. An astrologer; -- so called because the Chaldeans were remarkable for the study of astrology.

Source: Webster's Revised Unabridged Dictionary (1913)