What does "cowl muscle" mean?

either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms

What is a synonym for "cowl muscle"?

Common synonyms include: musculus trapezius, trapezius, trapezius muscle.

Rare ·Advanced level

Noun

1
either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms wordnet