Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Either of a pair of large triangular muscles extending over the back of the neck and shoulders and moving the head and shoulder blade.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
