Controller meaning

kən-trō'lər
A regulating mechanism, as in a vehicle or electric device.
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The definition of a controller is a person in charge, especially the main accounting officer in a business.

An example of a controller is the director of a learning center.

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One that controls.

A controller, not an observer of events.

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An officer who audits accounts and supervises the financial affairs of a corporation or of a governmental body.
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The chief accounting officer with responsibility for internal auditing, as in a business, government (usually sp. comptroller), or institution.
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A person or device that controls.
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(1) A device used to play video games. See video game controller.
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One who controls something.
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A person who audits, and manages the financial affairs of a company or government; a comptroller.
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A mechanism that controls or regulates the operation of a machine, especially a peripheral device in a computer.
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(nautical) An iron block, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.
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Origin of controller

  • From Middle English countreroller, from Anglo-Norman countrerolleour, from Old French contrerelleor (French contrôleur), from Medieval Latin contrārotulātor, from *contrārotulāre (from which control). Equivalent to control +‎ -er.
    From Wiktionary