Automaton

aw-tonr'a-ton,?!.,- pi. -atons; L.pl. -ATA, -ta. A machine moved by interior machinery which imitates actions of men 6r animals; any self-moving machine. — Automatic, -ical, a. Pert, to, or performed by, an automaton; self-acting; esp. applied to machinery, in which movements commonly made by hand are "made by the machine itself; not depending on the will; acting involuntarily.