Trapezius muscle
trapezius muscle tra·pe·zi·us muscle (trə-pē’zē-əs)
n.
A muscle with origin from the superior nuchal line, the external occipital protuberance, the nuchal ligament, the spinous processes of the seventh cervical and thoracic vertebrae, with insertion into the lateral third of the posterior surface of the clavicle, the medial side of the acromion, and the upper border of the spine of the scapula, with nerve supply from the accessory nerve and the cervical plexus, and whose action draws the head to one side or backward and rotates the scapula.
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[truh-pee-zuh-hee-druh n, trap-uh-] /trəˌpi zəˈhi drən, ˌtræp ə-/ noun, plural trapezohedrons, trapezohedra [truh-pee-zuh-hee-druh, trap-uh-] /trəˌpi zəˈhi drə, ˌtræp ə-/ (Show IPA) 1. Crystallography. a crystal form having all faces trapeziums. 2. Geometry. a trapezoid trisoctahedron. trapezohedron /trəˌpiːzəʊˈhiːdrən/ noun (pl) -drons, -dra (-drə) 1. (crystallog) a crystal form in which all the crystal’s faces are trapeziums
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noun 1. Geometry. a quadrilateral plane figure having two parallel and two nonparallel sides. British. trapezium (def 1b). 2. Anatomy. a bone in the wrist that articulates with the metacarpal bone of the forefinger. adjective 3. Also, trapezoidal. Geometry. of, relating to, or having the form of a trapezoid. noun 1. a quadrilateral having neither […]
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