First Known Use: circa 1704
Dictionary
trapezius
noun tra·pe·zi·us \-zē-əs\
plural -zii \-zē-ˌī\ also tra·pe·zi·us·es
Definition of TRAPEZIUS
: a large flat triangular superficial muscle of each side of the upper back
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Origin of TRAPEZIUS
New Latin, from trapezium; from the pair on the back forming together the figure of a trapezium
Medical Dictionary
trapezius
noun tra·pe·zi·us \trə-ˈpē-zē-əs, tra-\
plural -zii \-zē-ˌī\ also tra·pe·zi·us·es
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
Illustration of TRAPEZIUS
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