These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rotator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a muscle that partially rotates a part on its axisspecifically: 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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