minimotor
nounUK /ˈmɪniˌməʊtə/
US /ˈmɪniˌmoʊtər/
A minimotor is a very small motor that makes something move.
The toy car has a tiny minimotor inside it.
OTHER MEANINGS
2. A small electric motor used in gadgets like cameras or toys.
He replaced the minimotor in his remote-controlled plane.
3. A little device that spins or turns part of a machine.
The minimotor turns the fan blades very fast.
4. A compact motor built for small robots or models.
The science kit includes a minimotor for the robot arm.