- Adjective. Of or pertaining to the real (or to the mystical) Babylon.
- Adjective. Of or pertaining to the ancient kingdom of Babylonia; Chaldea.
- Noun. An inhabitant of the city of Babylon.
- Noun. An inhabitant of Babylonia (which included Chaldea); a Chaldean.
- Noun. An astrologer; so called because the Chaldeans were remarkable for the study of astrology.
- Proper noun. The extinct Akkadian (includes Babylonian and Assyrian diatects) language.