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Noun: trapezius (trapezii,trapeziuses)  tru'pee-zee-us
  1. Either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms
    - trapezius muscle, cowl muscle, musculus trapezius

Derived forms: trapezii, trapeziuses

Type of: skeletal muscle, striated muscle

Encyclopedia: Trapezius