Source : Webster's Revised Unabridged Dictionary (1913)

Ventriloquy \Ven*tril"o*quy\, n. [Cf. F. ventriloquie.]
   Same as {Ventriloquism}.

Source : WordNet®

ventriloquy
     n : the art of projecting your voice so that it seems to come
         from another source (as from a ventriloquist's dummy)
         [syn: {ventriloquism}]