To abrogate, annul, avoid, or cancel a contract; particularly, nullifying a contract by the act of a party. See Powell v. Linde Co., 29 Misc. Rep. 419, GO N. Y. Supp. 1044 ; Ilurst v. Trow Printing Co., 2 Misc. Rep. 3G1, 22 N. Y. Supp. 371.
Black’s Law Online Dictionary