dead leg

noun

1. 1.A blow to the upper thigh, crushing the muscle against the bone and crushing the nerve cluster next to the quadriceps. Also, the resulting injury.
2. 2.A lazy or weak person.
3. 3.An isolated section of pipeline that does not usually carry a flow.
4. 4.A movement in which the hips and knees are kept straight and stiff and the ankle is flexed.
5. 5.(shipping) A vehicle that is traveling on a leg of its route in which it does not carry any cargo.