testament

noun | \ ˈtes-tə-mənt \ | tes·ta·ment

1. : an act by which a person determines the disposition of his or her property after death a testament of property

2. : will

   Note: A testament was formerly concerned specifically with personal property, as in the phrase last will and testament. Now a will covers both personal and real property and the terms will and testament are generally synonymous, but the phrase lives on.