ACTUATOR
actuator
(noun) a mechanism that puts something into automatic action
Source: WordNet® 3.1
Noun
actuator (plural actuators)
Something that actuates something else, especially a usually electric device that causes a mechanical device (i.e. a mechanism) to be switched on or off, for example an electric motor that opens and closes a valve
(computer hardware) The mechanism that moves the head assembly on a disk drive
(electrical) A relay that controls the flow of electricity
Anagrams
• autocrat
Source: Wiktionary
Ac"tu*a`tor, n.
Definition: One who actuates, or puts into action. [R.] Melville.
Source: Webster’s Unabridged Dictionary 1913 Edition