noun, plural rotators for 1, 3, rotatores
[roh-tuh-tawr-eez, -tohr-] /ˌroʊ təˈtɔr iz, -ˈtoʊr-/ (Show IPA), for 2.
a person or thing that rotates.
Anatomy. a muscle serving to rotate a part of the body.
Nautical. a bladed device streamed to rotate in the water to actuate a patent log.
a person, device, or part that rotates or causes rotation
(anatomy) any of various muscles that revolve a part on its axis

rotator ro·ta·tor (rō’tā’tər)
A muscle that serves to rotate a part of the body.


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  • Rotatory

    adjective 1. pertaining to or of the nature of rotation: rotatory motion. 2. rotating, as an object. 3. passing or following in rotation or succession. 4. causing rotation, as a muscle. adjective 1. of, relating to, possessing, or causing rotation rotatory ro·ta·to·ry (rō’tə-tôr’ē) adj. Of, relating to, causing, or characterized by rotation. Occurring or proceeding […]

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