The abrogation of a law by a higher authority; annulment.

(music) A piece of instrumental music of the eighteenth century similar to the serenade, and often performed outdoors.

plural of cassation

(obsolete) To render void or useless; to vacate or annul.

(law) In many legal systems, the highest-level court of appeal in procedural matters, which is asked to squash a verdict but then refers the case back for a new court case at the previous level.

plural of court of cassation