waiver of defenses.Real estate. A document by which a mortgagor acknowledges that the mortgage is good and valid for the full amount of the mortgage note. • This document ensures that the mortgagor has no defenses to the mortgage. — Also termed estoppel certificate; no-setoff certificate; declaration of no defenses. [Cases: Mortgages  415. C.J.S. Mortgages §§ 512–513, 531–534, 700.]
[Blacks Law 8th]