\Chev"i*sance\, n. [Of. chevisance, chevissance, fr.
chevircome to an end, perform, fr. chef head, end, from L.
caput head. See {Chieve}, {Chief}.]
1. Achievement; deed; performance. [Obs.]
         Fortune, the foe of famous chevisance. --Spenser.
2. A bargain; profit; gain. [Obs.] --Piers Plowman.
3. (O. Eng. Law)
   (a) A making of contracts.
   (b) A bargain or contract; an agreement about a matter in
       dispute, such as a debt; a business compact.
   (c) An unlawful agreement or contract.