• Controller Definition & Synonyms

  1. (n.) An iron block, usually bolted to a ships 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.
  2. (n.) One who, or that which, controls or restraines; one who has power or authority to regulate or control; one who governs.
  3. (n.) An officer appointed to keep a counter register of accounts, or to examine, rectify, or verify accounts.
  4. (n.) 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.
  5. (n.) 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.
  6. (n.) Any electric device for controlling a circuit or system;
  7. (n.) 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.

Accountant, Control, Restrainer,

• Controllership Definition & Synonyms

  1. (n.) The office of a controller.