What does "dative" mean?

Dative: (Law) (a) In one's gift; capable of being disposed of at will and pleasure, as an office. (b) Removable, as distinguished from perpetual; -- said of an officer. (c) Given by a magistrate, as distinguished from being cast upon a party by the law. Burril. Bouvier. Dative executor, one appointed by the judge of probate, his office answering to that of an administrator.