chaldaean(noun, adjective) adjective1. of or relating to ancient Chaldea or its people or language or cultureSimilar word(s): chaldean, chaldee noun1. a wise man skilled in occult learningSimilar word(s): chaldean, chaldeeDefinition categories: person, occultist2. an inhabitant of ancient ChaldeaSimilar word(s): chaldean, chaldeeDefinition categories: person, semite