Either of the large muscles on each side of the upper back.
Webster's New World
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.
- musculus trapezius
- cowl muscle
- trapezius muscle
Other Word Forms of Trapezius
Origin of Trapezius
Unknown, probably has similar roots as other trap- terms, being related to Ancient Greek terms like τράπεζα (trapeza).
New Latin from Late Latin trapezium trapezium (from the shape of the muscles paired) trapezium
From American Heritage Dictionary of the English Language, 5th Edition
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