1a member of an ancient people who lived in Chaldea circa 800 bc and ruled Babylonia 625–539 bc. They were renowned as astronomers and astrologers. 2the Semitic language of the ancient Chaldeans. a language related to Aramaic and spoken in parts of Iraq. 3a member of a Syrian Uniate (formerly Nestorian) Church based mainly in Iran and Iraq.
1of or relating to ancient Chaldea or its people or language. 2of or relating to the East Syrian Uniate Church.