The Collaborative International Dictionary of English v.0.48:
Unhand \Un*hand"\, v. t. [1st pref. un- + hand.] To loose from the hand; to let go. [1913 Webster] Hold off! unhand me, gray beard loon! Eftsoons his hand dropped he. --Coleridge. [1913 Webster]WordNet (r) 3.0 (2006):
unhand v 1: remove the hand from