Easton’s Bible Dictionary

Lunatic

Probably the same as epileptic, the symptoms of which disease were supposed to be more aggravated as the moon increased. In Matt. 4:24 “lunatics” are distinguished from demoniacs. In 17:15 the name “lunatic” is applied to one who is declared to have been possessed.

Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.