servo

noun
UK /ˈsɜːvəʊ/
US /ˈsɜːrvoʊ/

A servo is a small motor that helps a machine move to the right spot.

The robot's arm uses a servo to turn its hand.


OTHER MEANINGS

2. A servomechanism, a system that automatically corrects its own movement.

The airplane's servo keeps the wings steady in the wind.

3. A short form of servomechanism used in engineering.

Engineers tested the servo before the launch.

4. In Australian English, a service station or gas station.

We stopped at the servo to fill up the car.