(1):

(v.) A warning or citation to appear in court; a written notification signed by the proper officer, to be served on a person, warning him to appear in court at a day specified, to answer to the plaintiff, testify as a witness, or the like.

(2):

(v.) The act of summoning; a call by authority, or by the command of a superior, to appear at a place named, or to attend to some duty.

(3):

(v.) A demand to surrender.

(4):

(v. t.) To summon.