rotator
/ˈroʊteɪtər/
noun
- A person or thing that rotates or causes rotation.
- The rotator on the display stand spins the products slowly.
- He works as a rotator in the factory, moving parts along the assembly line.
- The camera's rotator allows it to pan 360 degrees.
- A muscle that helps rotate a body part, such as the arm or leg.
- The rotator muscles in your shoulder help you twist your arm.
- Strengthening the rotators can improve your swimming stroke.
- She injured a rotator during her tennis match.