Redeem, means to exchange for something (as real property), Hausman v. Dayton, 653 NE 2d. 1190 (1995).
Means to exercise an equity to redemption in (real property) by payment in full of a mortgage debt after default but prior to a foreclosure becoming effective, Bowery Sav Bank v. Harbert Offset Corp., 558 NYS 2d 821 (1990).