The Collaborative International Dictionary of English v.0.48:
Ventriloquist \Ven*tril"o*quist\, n. One who practices, or is skilled in, ventriloquism. [1913 Webster] Ventriloquist monkey (Zool.), the onappo; -- so called from the character of its cry. [1913 Webster]WordNet (r) 3.0 (2006):
ventriloquist n 1: a performer who projects the voice into a wooden dummy