actuator: Meaning and Definition of
ac•tu•a•tor
Pronunciation: (ak'ch-ā"tur), [key]
— n.
- a person or thing that actuates.
- a servomechanism that supplies and transmits a measured amount of energy for the operation of another mechanism or system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.