shoulder pad(n = noun.artifact) - protective garment consisting of a hard rounded pad worn by football players to protect their shoulders;
is a kind of protective garment

arm pad, body pad, brake pad, carpet pad, cleaning pad, cold shoulder, elbow pad, hard shoulder, heating pad, hip pad, hot pad, inking pad, keep one's shoulder to the wheel, knee pad, launch pad, launching pad, lily pad, mattress pad, message pad, pad, pad elephant, pad of paper, picnic shoulder, rug pad, scouring pad, scratch pad, sea pad, shoulder, shoulder bag, shoulder blade, shoulder board, shoulder bone, shoulder flash, shoulder girdle, shoulder holster, shoulder in, shoulder joint, shoulder mark, shoulder patch, shoulder strap, shoulder vise, sketch pad, soap pad, stamp pad, steel-wool pad, thigh pad, wrist pad, writing pad