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).
a large, flat bone on each side of your back below your shoulder that helps to increase the range of movement of your arm
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
