Impropriation

Webster's Dictionary of the English Language

·noun A benefice in the hands of a layman, or of a lay corporation.

II. Impropriation ·noun The act of putting an ecclesiastical benefice in the hands of a layman, or lay corporation.

III. Impropriation ·noun The act of impropriating; as, the impropriation of property or tithes; also, that which is impropriated.