Source : Webster's Revised Unabridged Dictionary (1913)

Unhand \Un*hand"\, v. t. [1 st pref. un- + hand.]
   To loose from the hand; to let go.

         Hold off! unhand me, gray beard loon! Eftsoons his hand
         dropped he.                              --Coleridge.

Source : WordNet®

unhand
     v : remove the hand from