Definition of "impropriate"

And for the Pardon of the rest, that had stood against the King; the King, upon a second advice, thought it not fit it should pass by Parliament, the better (being matter of Grace) to impropriate the Thanks to himself […]

1622, Francis, Lord Verulam, Viscount St. Alban [i.e. Francis Bacon], The Historie of the Raigne of King Henry the Seventh, […], London: […] W[illiam] Stansby for Matthew Lownes, and William Barret

Mrs. Ellen Gulſton, Relict of Theodore Gulſton, Doctor of Phyſick, a very Learned Man, being poſſeſſed of the Impropriate Parſonage of Bardvvell in Suffolk, did firſt procure from the King leave to annex the ſame to the Vicarage, and to make it Preſentative; and having formerly the Donation of the Vicarage, ſhe gave them both thus annexed freely to St. John’s College in Oxon: Expreſſing many Godly Reaſons in a pious Letter of her Grant, to advance the Glory of God to her Povver, &c.

1704, Henry Spelman, “An Account of the Worth of This Treatise, Taken Out of the Epistle to Sir Henry Spelman’s History of Tythes”, in De Non Temerandis Ecclesiis, Churches Not to Be Violated. A Tract of the Rights and Respects Due unto Churches. , 1704