*residuary*

a. [ See Residue. ] Consisting of residue; as, residuary matter; pertaining to the residue, or part remaining; as, the residuary advantage of an estate. Ayliffe. [ 1913 Webster ]

Residuary clause (Law), that part of the testator's will in which the residue of his estate is disposed of. --
Residuary devise (Law), the person to whom the residue of real estate is devised by a will. --
Residuary legatee (Law), the person to whom the residue of personal estate is bequeathed. [ 1913 Webster ]