- A solemn, authentic instrument in writing, by which a
person declares his will as to disposal of his estate and effects after
his 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.