Controller

Con*trol"ler

(?), n. [From control, v. t.: cf. F. contrleur.] 1. One who, or that which, controls or restraines; one who has power or authority to regulate or control; one who governs.
[1913 Webster]

The great controller of our fate
Deigned to be man, and lived in low estate.
Dryden.
[1913 Webster]

2. An officer appointed to keep a counter register of accounts, or to examine, rectify, or verify accounts.

[More commonly written controller.]

[1913 Webster]

3. (Naut.) 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.
[1913 Webster]

4. (Elec.) Any electric device for controlling a circuit or system; specif.: (a) An electromagnet, excited by the main current, for throwing a regulator magnet into or out of circuit in an automatic device for constant current regulation. (b) A kind of multiple switch for gradually admitting the current to, or shutting it off from, an electric motor; as, a car controller for an electric railway car.
[Webster 1913 Suppl.]

5. (Mach.) A lever controlling the speed of an engine; -- applied esp. to the lever governing a throttle valve, as of a steam or gasoline engine, esp. on an automobile.
[Webster 1913 Suppl.]

 

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Fri 14th December 2018