(1):

(n.) In indictments, the union of two incompatible offenses.

(2):

(n.) The use of two or more distinct allegations or answers, where one is sufficient.

(3):

(n.) Doubleness of heart or speech; insincerity; a sustained form of deception which consists in entertaining or pretending to entertain one of feelings, and acting as if influenced by another; bad faith.

(4):

(n.) Doubleness; a twofold state.