rotator

play
noun ro·ta·tor \ˈrō-ˌtā-tər also rō-ˈ\

Definition of rotator

  1. :  one that rotates or causes rotation; especially, plural rotators or rotatoresplay \ˌrō-tə-ˈtȯr-ˌēz\ :  a muscle that partially rotates a part on its axis

1659

First Known Use of rotator

1659


Medical Dictionary

rotator

play
noun ro·ta·tor \ˈrō-ˌtāt-ər also rō-ˈ\

Medical Definition of rotator

plural

rotators

or

rotatores

\ˌrōt-ə-ˈtōr-ēz\play
  1. :  a muscle that partially rotates a part on its axis; specifically :  any of several small muscles in the dorsal region of the spine arising from the upper and back part of a transverse process and inserted into the lamina of the vertebra above

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