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Trapezius

//tɹəˈpiːziəs// noun

Noun

1
A large vertebrate skeletal muscle divided into an ascending, descending, and transverse portion, attaching the neck and central spine to the outer extremity of the scapula; it functions in scapular elevation, adduction, and depression.
"The trapezius muscle resembles a trapezium (trapezoid in American English), or diamond-shaped quadrilateral. The word "spinotrapezius" refers to the human trapezius, although it is not commonly used in modern texts. In other mammals, it refers to a portion of the analogous muscle."
2
either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms wordnet

Unknown but likely derived from Ancient Greek τράπεζα (trápeza).

Unscramble this word: trapezius