trapezius

noun

tra·pe·zi·us | \ trə-ˈpē-zē-əs

, tra-\

plural trapezii\ trə-ˈpē-zē-ˌī

, tra- \ also trapeziuses

Definition of trapezius

: a large flat triangular superficial muscle of each side of the upper back

Examples of trapezius in a Sentence

Recent Examples on the Web

Deadlifts already work the posterior chain, or the muscles at the rear of the body like the hamstrings, gluteus maximus, trapezius, posterior deltoids, and erector spinae. — Leah Prinzivalli, SELF, "Why the Deficit Deadlift Is a Great Modification for Beginners," 5 Dec. 2018 The shoulder stabilizer muscles, located in the upper back area, include the trapezius, serratus anterior, and the rhomboids. — Jenny Mccoy, SELF, "Strengthen Your Shoulders and Core With This Plank Workout From Jennifer Garner’s Trainer," 30 Apr. 2018 Shrugging your shoulders too much will incorrectly stress your trapezius (a major muscle in your upper back and neck). — Jenny Mccoy, SELF, "Strengthen Your Shoulders and Core With This Plank Workout From Jennifer Garner’s Trainer," 30 Apr. 2018 With a fastball that touching 99 mph, the 21-year-old Baez — slowed early in camp by an trapezius injury — has struck out 40 batters in his first 28 innings in the States, including 33 in 23 innings at low Single-A Fort Wayne. — Jeff Sanders, sandiegouniontribune.com, "Cuban Michel Baez opening eyes in U.S. introduction," 29 July 2017 Milwaukee was playing down two outfielders with Ryan Braun being given the night off and Domingo Santana a late scratch due to right trapezius tightness. — Todd Rosiak, Milwaukee Journal Sentinel, "Brewers 8, Pirates 2: Chase Anderson, offense get job done," 13 Sep. 2017 Washington sent INF Adrian Sanchez to Triple-A Syracuse and moved OF Ryan Raburn (left trapezius strain) to the 60-day DL with Turner returning. — Benjamin Standig, Sun-Sentinel.com, "Stanton hits 51st HR of season, but Worley gives up five runs in Marlins’ loss to Nationals," 30 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trapezius.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of trapezius was circa 1704

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trapezius

noun

tra·pe·zi·us | \ trə-ˈpē-zē-əs, tra-

plural trapezii\ -zē-ˌī

\ also trapeziuses

Medical Definition of trapezius

: a large flat triangular superficial muscle of each side of the upper back that arises from the occipital bone, the ligamentum nuchae, and the spinous processes of the last cervical and all the thoracic vertebrae, is inserted into the outer part of the clavicle, the acromion, and the spine of the scapula, and serves chiefly to rotate the scapula so as to present the glenoid cavity upward