(1):

(n.) A writ or process, granted by a court of equity, and, insome cases, under statutes, by a court of law,whereby a party is required to do or to refrain from doing certain acts, according to the exigency of the writ.

(2):

(n.) That which is enjoined; an order; a mandate; a decree; a command; a precept; a direction.

(3):

(n.) The act of enjoining; the act of directing, commanding, or prohibiting.