machine tool

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A power-driven tool, such as a lathe, used for machining.

from The Century Dictionary.

• noun A machine driven by water, steam, or other power, for performing operations formerly accomplished by means of hand-tools, as planing, drilling, sawing, etc., and taking its special name from the kind of work performed, as planing-machine, drilling-machine, etc. Also called engine-tool.

from the GNU version of the Collaborative International Dictionary of English.

• noun A power-driven machine for cutting or shaping or finishing metals or other materials.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun mechanical engineering A tool, usually itself a machine and usually power-driven, used for machining. Examples include lathes, milling machines, shapers, planers, hobbers, drill presses, jig borers, and others.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a powered machine for cutting or shaping or finishing metals or other materials