shoulder

shoulder [-s] n

OE; represents a dual.

1. Uppermost arm joint; top of the arms; place where the arm meets the body's trunk near the neck; each of the two corresponding upper portions (right and left) of the human body.
2. Support; upper story; that which elevates and sustains; [fig.] wall; bulwark; rampart; buttress; scaffold.
3. Horizontal bank; rectangular projection of a thing.