Definition of "Shoulder" :

noun: a narrow edge of land (usually unpaved) along the side of a road

"The car pulled off onto the shoulder."

noun: the part of a garment that covers or fits over the shoulder

"An ornamental gold braid on the shoulder of his uniform."

noun: the part of the body between the neck and the upper arm

noun: a ball-and-socket joint between the head of the humerus and a cavity of the scapula

noun: a cut of meat including the upper joint of the foreleg

verb: push with the shoulders

"He shouldered his way into the crowd."

verb: carry a burden, either real or metaphoric

"Shoulder the burden."

verb: lift onto one's shoulders