[1] : The Collaborative International Dictionary of English v.0.48

untwine \untwine"\, v. t. 1st pref. un- + twine.
   to untwist; to separate, as that which is twined or twisted;
   to disentangle; to untie.
   1913 webster

         it requires a long and powerful counter sympathy in a
         nation to untwine the ties of custom which bind a
         people to the established and the old.   --sir w.
                                                  hamilton.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

untwine \untwine"\, v. i.
   to become untwined. --milton.
   1913 webster

[3] : WordNet (r) 2.0

untwine
     v : undo what has been twined together; "untwine the strings"
         ant: intertwine
see also:
intertwine 

Untwine >> U Words
Untwine, definition of term: Untwine
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