Shoulder  —n. 1 part of the body at which the arm, foreleg, or wing is attached. 2 either of the two projections below the neck. 3 upper foreleg of an animal as meat. 4 (often in pl.) Shoulder regarded as supportive, comforting, etc. (a shoulder to cry on; has broad shoulders). 5 strip of land next to a road. 6 the part of a garment covering the shoulder. —v. 1 a push with the shoulder. B make one's way thus. 2 take on (a burden etc.).  put one's shoulder to the wheel make a great effort. Shoulder arms hold a rifle with the barrel against the shoulder and the butt in the hand. Shoulder to shoulder 1 side by side. 2 with united effort. [old english]