[syn: control, controller]
The Collaborative International Dictionary of English v.0.48:
Controller \Con*trol"ler\, n. [From control, v. t.: cf. F.
1. One who, or that which, controls or restraines; one who
has power or authority to regulate or control; one who
The great controller of our fate
Deigned to be man, and lived in low estate.
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.
4. (Elec.) Any electric device for controlling a circuit or
(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
[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.]
WordNet (r) 3.0 (2006):
n 1: someone who maintains and audits business accounts [syn:
accountant, comptroller, controller]
2: a person who directs and restrains [syn: restrainer,
3: a mechanism that controls the operation of a machine; "the
speed controller on his turntable was not working properly";
"I turned the controls over to her" [syn: control,
Moby Thesaurus II by Grady Ward, 1.0:
69 Moby Thesaurus words for "controller":
Big Brother, CA, CPA, accountant, accountant general, actuary,
auditor, bank accountant, bank examiner, boatswain, bookkeeper,
boss, bursar, calculator, cashier, cashkeeper,
certified public accountant, chamberlain, chartered accountant,
chief, clerk, comptroller, control, cost accountant, cost keeper,
curator, depositary, depository, financial officer, floor manager,
floorman, floorwalker, foreman, gaffer, ganger, governor, head,
headman, inspector, journalizer, liquidator, monitor,
noncommissioned officer, overman, overseer, paymaster, proctor,
purse bearer, purser, receiver, reckoner, recorder, registrar,
regulator, servo control, servo regulator, sirdar, slave driver,
steward, straw boss, subforeman, super, superintendent, supervisor,
surveyor, taskmaster, treasurer, trustee, visitor
The Free On-line Dictionary of Computing (18 March 2015):
Part of a computer, typically a separate circuit
board, which allows the computer to use certain kinds of
peripheral devices. A disk controller is used to connect
hard disks and floppy disks, a network controller is
used for Ethernet. Other controllers are: keyboard
controller, interrupt controller and graphics controller.