One of the great tendons situated in each side of the ham, or space back of the knee, and connected with the muscles of the back of the thigh.
- Any of the tendons at the rear hollow of the human knee.
- The hamstring muscle.
- The large tendon in the back of the hock of a quadruped.
- To cut the hamstring of (an animal or a person) and thereby cripple.
- To destroy or hinder the efficiency of; frustrate: "These worthwhile books are often hamstrung by unimaginative formats and inaccurate art" ( Don Lessem).