'Ventriloquy' definitions:

Definition of 'ventriloquy'

noun

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

From: GCIDE

Ventriloquy \Ven*tril"o*quy\, n. [Cf. F. ventriloquie.] Same as Ventriloquism. [1913 Webster]