Machine-tool meaning

(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.
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A power-driven tool, such as a lathe, used for machining.
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An automatic or semiautomatic power-driven tool, as an electric lathe, punch press, drill, or planer: machine tools are used in making machines or machine parts.
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