Manichaean \Man`i*ch[ae]"an\, Manichean \Man`i*che"an\, a. Of or pertaining to the Manich[ae]ans.
Manichaean \Man`i*ch[ae]"an\, Manichean \Man`i*che"an\, Manichee \Man"i*chee\, n. [LL. Manichaeus: cf. F. manich['e]en.] A believer in the doctrines of Manes, a Persian of the third century A. D., who taught a dualism in which Light is regarded as the source of Good, and Darkness as the source of Evil.
The Manich[ae]ans stand as representatives of dualism pushed to its utmost development. --Tylor.