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A device that directs and controls energy, often in the form of movement or electricity, to produce a certain effect.
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(dated) A vehicle operated mechanically, such as an automobile or an airplane.
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(telephony, abbreviation) An answering machine or, by extension, voice mail.
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(computing) A computer.
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(figuratively) A person or organisation that seemingly acts like a machine, being particularly efficient, single-minded, or unemotional.
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Especially, the group that controls a political or similar organization; a combination of persons acting together for a common purpose, with the agencies which they use.
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(poetry) Supernatural agency in a poem, or a superhuman being introduced to perform some exploit.
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(politics, chiefly US) The system of special interest groups that supports a political party, especially in urban areas.
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(euphemistic, obsolete) Penis.
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(historical) A contrivance in the Ancient Greek theatre for indicating a change of scene, by means of which a god might cross the stage or deliver a divine message; the deus ex machina.
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(obsolete) A bathing machine.