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trapezius

Pronunciation: /trəˈpiːzɪəs/
(also trapezius muscle)
Definition of trapezius

noun (plural trapezii /-zɪʌɪ/)

Anatomy
  • either of a pair of large triangular muscles extending over the back of the neck and shoulders and moving the head and shoulder blade.

Origin:

early 18th century: from modern Latin, from Greek trapezion 'trapezium' (because of the shape formed by the muscles)

trapezius in other Oxford dictionaries

Definition of trapezius in the US English dictionary

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