‖Sche″sis (?), n. [NL., fr. Gr. �, fr. �, �, to have or hold. See Scheme.] 1. General state or disposition of the body or mind, or of one thing with regard to other things; habitude. Norris.
2. (Rhet.) A figure of speech whereby the mental habitude of an adversary or opponent is feigned for the purpose of arguing against him. Crabb.