(n) :
(
Law) A solemn, authentic instrument in writing, by which a person declares his or her will as to disposal of his or her estate and effects after his or her death; one of the two distinct revelations of God's purposes toward man; a covenant; also, one of the two general divisions of the canonical books of the sacred Scriptures, in which the covenants are respectively revealed; as, the Old Testament; the New Testament; -- often limited, in colloquial language, to the latter