shin

The front part of the leg below the knee; the front edge of the shin bone: Shinbone on Wikipedia.Wikipedia

Soccer players have to wear protective gear so they don't injure their shins.

A fishplate for a railway

To climb up or lower oneself down a mast, tree, rope, or the like, by embracing it alternately with the arms and legs, without help of steps, spurs, or the like.

to shin up a mast

"The minute the door is shut he shins down a water-pipe, hops on his motor-cycle, and is off at full speed."

To strike with the shin.

The warning signs had been there as Peter Cech had already had to palm away a stinging shot from Ronald Zubar but immediately afterwards the Blues goalkeeper could only watch in horror as defender Boswinga shinned the ball into his own net from Hunt's corner.

To run about borrowing money hastily and temporarily, as when trying to make a payment.

The Senator was shinning around, to get gold for the rascally bank-rags which he was obliged to take.

The twenty-first letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others): Shin (letter) on Wikipedia.Wikipedia