unyoke

from WordNet (r) 3.0 (2006)

unyoke
    v 1: remove the yoke from; "unyoke the cow" [ant: {yoke}]

from The Collaborative International Dictionary of English v.0.48

Unyoke \Un*yoke"\, v. t. [1st pref. un- + yoke.]
   [1913 Webster]
   1. To loose or free from a yoke. "Like youthful steers
      unyoked, they take their courses." --Shak.
      [1913 Webster]

   2. To part; to disjoin; to disconnect. --Shak.
      [1913 Webster]