n. In human anatomy, the tendon of a muscle which bounds the ham, or space behind the knee on either side above the middle of the popliteal space.n. In ordinary language, the great tendon or sinew at the back of the so-called knee or hock of the hind leg of a quadruped.To cut the hamstrings of, and thus lame or disable.In whaling, to cut the muscle or tendons of the small of the whale, so as to render the flukes useless and make the animal helpless. It is done with the fluke-spade when a boat is hauled up alongside a running whale.