The Collaborative International Dictionary of English v.0.48:

Shin \Shin\, v. i. [imp. & p. p. Shinned; p. pr. & vb. n.
   Shinning.]
   1. 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; -- used with up; as, to shin up a
      mast. [Slang]
      [1913 Webster]

   2. To run about borrowing money hastily and temporarily, as
      for the payment of one's notes at the bank. [Slang, U.S.]
      --Bartlett.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shin \Shin\, v. t.
   To climb (a pole, etc.) by shinning up. [Slang]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shin \Shin\, n. [OE. shine, schine, AS. scina; akin to D.
   scheen, OHG. scina, G. schiene, schienbein, Dan. skinnebeen,
   Sw. skenben. Cf. Chine.]
   1. The front part of the leg below the knee; the front edge
      of the shin bone; the lower part of the leg; the shank.
      "On his shin." --Chaucer.
      [1913 Webster]

   2. (Railbroad) A fish plate for rails. --Knight.
      [1913 Webster]

   Shin bone (Anat.), the tibia.

   Shin leaf (Bot.), a perennial ericaceous herb (Pyrola
      elliptica) with a cluster of radical leaves and a raceme
      of greenish white flowers.
      [1913 Webster]

WordNet (r) 3.0 (2006):

shin
    n 1: the front part of the human leg between the knee and the
         ankle
    2: a cut of meat from the lower part of the leg [syn: shin,
       shin bone]
    3: the 22nd letter of the Hebrew alphabet
    4: the inner and thicker of the two bones of the human leg
       between the knee and ankle [syn: tibia, shinbone, shin
       bone, shin]
    v 1: climb awkwardly, as if by scrambling [syn: clamber,
         scramble, shin, shinny, skin, struggle,
         sputter]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "shin":
   ankle, bayonet legs, bowlegs, calf, clamber, clamber up, climb,
   climb over, climb up, cnemis, dash, drumstick, escalade, foreleg,
   gamb, gambrel, gigot, ham, hind leg, hock, jamb, knee, leg, limb,
   mount, podite, popliteal space, ramp, run, scale,
   scale the heights, scamper, scissor-legs, scoot, scrabble up,
   scramble up, scurry, shank, shin up, shinny, sprint, stems,
   struggle up, stumps, surmount, tarsus, trotters, upclimb