Source : Webster's Revised Unabridged Dictionary (1913)

Hocuspocus \Ho"cus*po"cus\, v. t.
   To cheat. [Colloq.] --L'Estrange.

Hocuspocus \Ho"cus*po"cus\, n. [Prob. invented by jugglers in
   imitation of Latin. Cf. {Hoax}, {Hocus} .]
   1. A term used by jugglers in pretended incantations.

   2. A juggler or trickster. --Sir T. Herbert.

   3. A juggler's trick; a cheat; nonsense. --Hudibras.