Con*trol"ler (?), n. [From
control, v. t.: cf. F. contrôleur.]
1. One who, or that which, controls or
restraines; one who has power or authority to regulate or
control; one who governs.
The great controller of our fate
Deigned to be man, and lived in low estate.
Dryden.
2. An officer appointed to keep a counter
register of accounts, or to examine, rectify, or verify
accounts. [More commonly written controller.]
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.
Con*trol"ler, n. 1.
(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.
2. (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.
Con*trol"ler, n. 1.
(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.
2. (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.
