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trapezius

[ truh-pee-zee-uhs ]
/ trəˈpi zi əs /
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noun, plural tra·pe·zi·us·es.Anatomy.
a broad, flat muscle on each side of the upper and back part of the neck, shoulders, and back, the action of which raises, or rotates, or draws back the shoulders, and pulls the head backward or to one side.
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Origin of trapezius

1685–95; <New Latin, short for trapezius musculus trapeziform muscle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use trapezius in a sentence

British Dictionary definitions for trapezius

trapezius
/ (trəˈpiːzɪəs) /

noun plural -uses
either of two flat triangular muscles, one covering each side of the back and shoulders, that rotate the shoulder blades

Word Origin for trapezius

C18: from New Latin trapezius (musculus) trapezium-shaped (muscle)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for trapezius

trapezius
[ trə-pēzē-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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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