Testament /(?)/

Tes·ta·ment

Testament

n.
  1. A solemn, authentic instrument in writing, by which a person declares his will as to disposal of his estate and effects after his death. (Law)
  2. 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.
    He is the mediator of the new testament . . . for the redemption of the transgressions that were under the first testament.
    — Heb. ix. 15.

Phrases & Compounds
Holographic testament
a testament written wholly by the testator himself.