To undo (a lock) by turning a key or corresponding part, To become unfastened, loosened, or freed from something that restrains, To provide a key to; disclose or reveal, transitive verb_ To unfasten, as what is locked, To open, in general; to lay open; to undo, verb_ open the lock of, set free or release, become unlocked

dialectal One, an organization of independent states formed in 1945 to promote international peace and security, An inseparable prefix of verbs (generally transitive), meaning ?back,? and denoting the reversal or annulment of the action of the simple verb_ as, undo, unlearn, unlock, unmake, etc

A hand tool consisting of a handle with a head of metal or other heavy rigid material that is attached at a right angle, used for striking or pounding, The part of a gunlock that hits the primer or firing pin or explodes the percussion cap and causes the gun to fire, A part of an apparatus that strikes a gong or bell, as in a clock, intransitive verb_ To put together, fasten, or seal, particularly with nails, by hammering,

the part of a gunlock that strikes the percussion cap when the trigger is pulled