v. north. and Sc. [UN-2 3.] trans. To unlatch.

1

1785.  W. Hutton, Bran New Wark (E.D.S.), 199. The girl unsneck’d the raddle heck.

2

1806.  Jamieson, Pop. Ball., II. 339. She drew the bar, unsneck’d the door.

3

1825–.  in northern dial. glossaries, etc.

4