rotator [roh-tey-ter or, esp. British, roh-tey-] Word Origin noun, plural ro·ta·tors for 1, 3, ro·ta·tor·es [roh-tuh-tawr-eez, -tohr-] /ˌroʊ təˈtɔr iz, -ˈtoʊr-/ 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.
Origin of rotator 1670–80; Latin rotātor, equivalent to rotā(re) (see rotate1) + -tor -tor Related Words for rotatores wheel, rotator British Dictionary definitions for rotatores rotator noun
- a person, device, or part that rotates or causes rotation
- anatomy any of various muscles that revolve a part on its axis
rotatores in Medicine rotator [rō′tā′tər] n.
- A muscle that serves to rotate a part of the body.