Testamentary Tes`ta*men"ta*ry, a. [L. testamentarius: cf. F. testamentaire.] 1. Of or pertaining to a will, or testament; as, letters testamentary. [1913 Webster]

2. Bequeathed by will; given by testament. [1913 Webster]

How many testamentary charities have been defeated by the negligence or fraud of executors! --Atterbury. [1913 Webster]

3. Done, appointed by, or founded on, a testament, or will; as, a testamentary guardian of a minor, who may be appointed by the will of a father to act in that capacity until the child becomes of age. [1913 Webster]

The Collaborative International Dictionary of English. 2000.