<p><strong>Noun</strong></p><ul><li>one of an ancient Semitic people who lived in Babylonia.</li><li>the Indigenous Semitic language of the Chaldeans, Aramaic being used as an auxiliary language.</li><li>Biblical Aramaic.</li><li>(in the Bible) an astrologer, soothsayer, or enchanter.</li></ul><p><strong>Adjective</strong></p><ul><li>of or belonging to ancient Chaldea.</li><li>pertaining to astrology, occult learning, etc.</li></ul>