ventriloquism Meaning, Definition & Usage

  1. noun the art of projecting your voice so that it seems to come from another source (as from a ventriloquist's dummy)
    ventriloquy.

WordNet

Ven*tril"o*quism noun
Etymology
See Ventriloquous.
Definitions
  1. The act, art, or practice of speaking in such a manner that the voice appears to come, not from the person speaking, but from some other source, as from the opposite side of the room, from the cellar, etc.

Webster 1913