unlock
Un*lock", v. t. Etym: [Cf. AS. unl. See 1st Un-, and Lock, v. t.] 1. To unfasten, as what is locked; as, to unlock a door or a chest. 2. To open, in general; to lay open; to undo. Unlock your springs, and open all your shades. Pope. [Lord] unlock the spell of sin. J. H. Newman.