n. & adj.
n. 1 a a native of ancient Chaldea or Babylonia. b the language of the Chaldeans. 2 an astrologer. 3 a member of the Uniat (formerly Nestorian) sect in Iran etc.
adj. 1 of or relating to ancient Chaldea or its people or language. 2 of or relating to astrology. 3 of or relating to the Uniat sect.
[ L Chaldaeus f. Gk Khaldaios f. Assyr. Kaldu ]