How do you spell Impropriation

Available Definitions:
1)  n. - The act of impropriating; as, the impropriation of property or tithes; also, that which is impropriated.
2)  n. - The act of putting an ecclesiastical benefice in the hands of a layman, or lay corporation.
3)  n. - A benefice in the hands of a layman, or of a lay corporation.