Un‐lock″ (?), v. t. [Cf. AS. unl�can. 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.
unlock the spell of sin. J. H. Newman.