Testamentary
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Belonging to a testament; as, a testamentary gift; a testamentary guardian, or one appointed by will or testament; letters testamentary, or a writing under seal, given by an officer lawfully authorized, granting power to one named as executor to execute a last will or testament.