noun

1. a member of an ancient Gnostic sect still extant in southern Iraq
2. the Eastern Aramaic dialect used in the writings of the Mandeans: it was spoken along the Euphrates from the 7th to the 9th cent.

Etymology: < Mandean mandayyā, lit., having knowledge (used as transl. of Gr gnōstikoi, Gnostics) < mandā, knowledge + -an

adjective

1. of the Mandeans, their doctrines, etc.
2. of Mandean