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