from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A self-operating machine or mechanism, especially a robot.
- n. One that behaves or responds in a mechanical way.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A machine or robot designed to follow a precise sequence of instructions.
- n. A person who acts like a machine or robot, often defined as having a monotonous lifestyle and lacking in emotion.
- n. A formal system, such as finite automaton.
- n. A toy in the form of a mechanical figure.
from the GNU version of the Collaborative International Dictionary of English
- n. Any thing or being regarded as having the power of spontaneous motion or action.
- n. A self-moving machine, or one which has its motive power within itself; -- applied chiefly to machines which appear to imitate spontaneously the motions of living beings, such as men, birds, etc.
from The Century Dictionary and Cyclopedia
- n. That which is self-moving, or has the power of spontaneous movement, but is not conscious.
- n. Specifically A self-acting machine, or one which is actuated in such a manner as to carry on for some time certain movements without the aid of external impulse.
- n. A living being acting mechanically or as a mere machine, especially without consciousness; a person or an animal whose actions are purely involuntary or mechanical.
- n. A person who acts in a monotonous routine manner, without active intelligence, especially without being fully aware of what he is doing.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. someone who acts or responds in a mechanical or apathetic way
- n. a mechanism that can move automatically
Latin, self-operating machine, from Greek, from neuter of automatos, self-acting; see automatic.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek αὐτόματον (automaton), neuter of αὐτόματος (automatos, "self moving, self willed"). (Wiktionary)