The Collaborative International Dictionary of English v.0.48:

Huckle \Huc"kle\, n. [Perh. dim. of Prov. E. hucka hook, and so
   named from its round shape. See Hook.]
   1. The hip; the haunch.
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   2. A bunch or part projecting like the hip.
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   Huckle bone.
      (a) The hip bone; the innominate bone.
      (b) A small bone of the ankle; astragalus. [R.] --Udall.
          [1913 Webster]