1.nounThe front part of the leg below the knee; the front edge of the shin bone: Shinbone
2.nounA fishplate for a railway.
3.verb(as "shin up") To climb 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"
4.verbTo strike with the shin.
5.verbTo run about borrowing money hastily and temporarily, as when trying to make a payment.