Rotator

Pronunciation: /ˈɹɑtətɔɹ/

Rotator (noun)

  1. A device that turns something around an axis.
  2. A group of muscles that helps move and stabilize the shoulder joint.
  3. A machine that rotates containers to mix or keep samples moving in a lab.

Examples

  • The rotator turns the platform smoothly.
  • The platform turns smoothly when the rotator works.