the production of the voice in such a manner that the sound appears to come from a source other than the vocal organs of the speaker and esp from a dummy manipulated by the producer of the sound
ventriloquial /-ʹlohkwi·əl/ adj
ventriloquially /-ʹlohkwi·əli/ adv
ventriloquist noun
ventriloquy /-kwi/ noun
[late Latin ventriloquus ventriloquist, from Latin ventr-, venter belly + loqui to speak; from the belief that the voice is produced from the ventriloquist's stomach]