Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Ballentine's Law Dictionary

    Something defeating or nullifying an obligation. See 59 Fla. 239, 138 Am. St. Rep. 121, 52 South. 715.

  • Black's Law Dictionary: 2nd Edition

    An instrument which defeats the force or operation of some other deed or estate. That which is in the same deed is called a "condition;" and that which is in another deed is a "defeasance." Coin. Dig. "Defeasance." Lu conveyancing. A collateral deed made at the same time with a feoffment or other conveyance, containing certain conditions, upon the performance of which the estate then created may be defeated or totally undone. 2 Bl. Comm. 327 ; Co. Litt. 236, 237. An instrument accompanying a bond, recognisance, or judgment, containing a condition which, when performed, defeats or undoes it. 2 Bl. Comm. 342; Co.. Litt. 236, 237; Miller v. Quick, 158 Mo. 495, 59 S. W. 955; Harrison v. Philips' Academy, 12 Mass. 456; Lippincott v. Tilton, 14 N. J. Law, 361; Nugent v. Rlley, 1 Mete. (Mass.) 119, 35 Am. Dee 355.