The Collaborative International Dictionary of English v.0.48:

Hock \Hock\, n. [So called from Hochheim, in Germany.]
   A Rhenish wine, of a light yellow color, either sparkling or
   still. The name is also given indiscriminately to all Rhenish
   wines. Hock

The Collaborative International Dictionary of English v.0.48:

Hock \Hock\, Hough \Hough\, n. [ AS. h?h the heel; prob. akin to
   Icel. h[=a]sinn hock sinew, Dan. hasc, G. hechse, h[aum]chse,
   LG. hacke, D. hak; also to L. coxa hip (cf. Cuisses), Skr.
   kaksha armpit. [root]12. Cf. Heel.]
   1.
      (a) The joint in the hind limb of quadrupeds between the
          leg and shank, or tibia and tarsus, and corresponding
          to the ankle in man.
      (b) A piece cut by butchers, esp. in pork, from either the
          front or hind leg, just above the foot.
          [1913 Webster]

   2. The popliteal space; the ham.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hock \Hock\, v. t.
   1. To disable by cutting the tendons of the hock; to
      hamstring; to hough.
      [1913 Webster]

   2. To pawn; as, to hock one's jewelry.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Hock \Hock\, n.
   1. The state of having been pawned; usually preceded by in;
      as, all her jewelry is in hock.
      [PJC]

   2. The state of being in debt; as, it took him two years to
      get out of hock.
      [PJC]

WordNet (r) 3.0 (2006):

hock
    n 1: any of several white wines from the Rhine River valley in
         Germany (`hock' is British usage) [syn: Rhine wine,
         Rhenish, hock]
    2: tarsal joint of the hind leg of hoofed mammals; corresponds
       to the human ankle [syn: hock, hock-joint]
    v 1: leave as a guarantee in return for money; "pawn your
         grandfather's gold watch" [syn: pawn, soak, hock]
    2: disable by cutting the hock

Moby Thesaurus II by Grady Ward, 1.0:

57 Moby Thesaurus words for "hock":
   ankle, bail, bayonet legs, bond, bottomry, bowlegs, calf, cnemis,
   deposit, drumstick, earnest, earnest money, escrow, foreleg, gage,
   gamb, gambrel, gigot, go bail, ham, handsel, hind leg, hostage,
   hypothecate, impignorate, jamb, knee, leg, limb, mainprise,
   mortgage, pawn, pignus, pledge, podite, popliteal space, post,
   put in hock, put in pawn, put up, recognizance, replevin, replevy,
   scissor-legs, shank, shin, spout, stake, stems, stumps, surety,
   tarsus, token payment, trotters, undertaking, vadimonium, vadium