Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

1. casso, āvi, ātum, 1, v. a. [cassus] (late Lat.).

  1. I. In gen., to bring to naught, destroy, trop., Sid. Ep. 1 fin.
  2. II. In the Lat. of the jurists, to annul, make null or void, = abrogo, Cod. Th. 11, 1, 3 al.