Source : Webster's Revised Unabridged Dictionary (1913)

Cass \Cass\, v. t. [F. casser, LL. cassare, fr. L. cassus empty,
   hollow, and perhaps influenced by L. quassare to shake,
   shatter, v. intens. of quatere to shake. Cf. {Cashier}, v.
   t., {Quash}, {Cask}.]
   To render useless or void; to annul; to reject; to send away.
   [Obs.] --Sir W. Raleing.