What is the meaning of Testament?

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).

One of the two parts to the scriptures of the Christian religion: the New Testament, considered by Christians to be a continuation of the Hebrew scriptures, and the Hebrew scriptures themselves, which they refer to as the Old Testament.

A tangible proof or tribute.

A credo, expression of conviction

To make a will.

To bequeath or leave by will.

testament

will (document)

testament, last will

testament (part of the Bible)

testament, last will

legacy

a will (and/or) testament

a will, testament (declaration of disposal of inheritance)

a testament (one of the two parts of the Bible)

testimony; statement

testament

testament, will (formal declaration of one's intent concerning the disposal of one's property and holdings after death; the legal document stating such wishes)

legacy (artistic creation or spiritual message left behind after someone's death for future generations)

will

the (last) will (legal document)

Source: wiktionary.org