shoulder blade
noun(shoulder blade)
either of a pair of large, flat, triangular-shaped bones that lie above the rib cage on either side of the upper back : scapula
shoulder blade
noun(shoulder blade)
either of a pair of large triangular bones lying one in each dorsal lateral part of the thorax, being the principal bone of the corresponding half of the shoulder girdle, and articulating with the corresponding clavicle or coracoid —called also shoulder blade