Category:Regulator

Reg"u*la`tor (-l`tr), n.

1. One who, or that which, regulates.

2. (mach.)

Defn: a contrivance for regulating and controlling motion, as: (a) The lever or index in a watch, which controls the effective length of The hairspring, and thus regulates the vibrations of the balance. (b) The governor of a steam engine. (c) a valve for controlling the Admission of steam to the steam chest, in a locomotive.

3. A clock, or other timepiece, used as a standard of correct time. See astronomical clock (a), under clock.

4. A member of a volunteer committee which, in default of the lawful Authority, undertakes to preserve order and prevent crimes; also, Sometimes, one of a band organized for the comission of violent Crimes. [u.s.] A few stood neutral, or declared in favor of the regulators. Bancroft.