(law) A solemn, authentic instrument in writing, by which a person declares his or her will as to disposal of his or her inheritance (estate and effects) after his or her death, benefiting specified heir(s).

plural of testament

The act or power of giving by testament, or will.

Of or pertaining to a testament; testamentary.

(religion, chiefly Christianity) The first major part of the Christian Bible, covering events before the coming of Christ, corresponding roughly to the Jewish Tanakh. Usually subdivided into the categories of law, history, poetry (or wisdom books), and prophecy.

The second half of the Christian Bible, which includes the four Gospels, the Book of Acts, the Epistles, and the Book of Revelation.

(Islam) The Qur'an.

Alternative form of last will.