rotator cuff

noun

: a supporting and strengthening structure of the shoulder joint that is made up of the capsule of the shoulder joint blended with tendons and muscles as they pass to the capsule or across it to insert on the head of the humerus

Examples of rotator cuff in a Sentence

Recent Examples on the Web
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The team announced this week that Estevez has a right rotator cuff strain after experiencing shoulder discomfort in his first rehab assignment Wednesday. Blair Kerkhoff, Kansas City Star, 10 May 2026 Now, the 26-year-old is dealing with a rotator cuff injury and will be shut down for a few weeks. Jeff Vorva, Chicago Tribune, 9 May 2026 In October 2025, Rollins suffered a torn rotator cuff at Crown Jewel, was forced to relinquish the World Heavyweight Championship and was kicked out of The Vision. Blake Oestriecher, Forbes.com, 9 May 2026 Inside a pristine laboratory at GBI Biomanufacturing in Plantation, stem-cell production ramps up, producing regenerative medicine with the potential to repair a torn rotator cuff, deep skin tear or an arthritic knee. Cindy Krischer Goodman, Miami Herald, 8 May 2026 See All Example Sentences for rotator cuff

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of rotator cuff was in 1944

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Cite this Entry

“Rotator cuff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotator%20cuff. Accessed 16 May. 2026.

Medical Definition

rotator cuff

noun
: a supporting and strengthening structure of the shoulder joint that is made up of part of its capsule blended with tendons of the subscapularis, infraspinatus, supraspinatus, and teres minor muscles as they pass to the capsule or across it to insert on the humerus

called also musculotendinous cuff

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