tra·pe·zi·us (tr -p  z-s)n. pl. tra·pe·zi·us·es Either of two large flat triangular muscles running from the base of the occiput to the middle of the back that support and make it possible to raise the head and shoulders. [New Latin, from Medieval Latin trap zium, trapezium (from the shape of the muscles paired); see trapezium.] |
trapezius [trəˈpiːzɪəs]
n pl -uses
(Life Sciences & Allied Applications / Anatomy) either of two flat triangular muscles, one covering each side of the back and shoulders, that rotate the shoulder blades
[from New Latin trapezius (musculus) trapezium-shaped (muscle)]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  trapezius - either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and armsskeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes |
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