6. That part or apparatus of a firearm by which the charge is exploded; as, a matchlock, flintlock, percussion lock, etc.
7. A device for keeping a wheel from turning.
8. A grapple in wrestling. Milton. Detector lock, a lock containing a
contrivance for showing whether it as has been tampered with.
— Lock bay (Canals), the body of water in a lock chamber.
— Lock chamber, the inclosed space between the gates of a canal
lock.
— Lock nut. See Check nut, under Check.
— Lock plate, a plate to which the mechanism of a gunlock is
attached.
— Lock rail (Arch.), in ordinary paneled doors, the rail nearest
the lock. Lock rand (Masonry), a range of bond stone. Knight.
— Mortise lock, a door lock inserted in a mortise.
— Rim lock, a lock fastened to the face of a door, thus differing
from a mortise lock.
LOCK
Lock, v. t. [imp. & p. p. Locked; p. pr. & vb. n. Locking.]
1. To fasten with a lock, or as with a lock; to make fast; to prevent free movement of; as, to lock a door, a carriage wheel, a river, etc.
2. To prevent ingress or access to, or exit from, by fastening the lock or locks of; — often with up; as, to lock or lock up, a house, jail, room, trunk. etc.
3. To fasten in or out, or to make secure by means of, or as with, locks; to confine, or to shut in or out — often with up; as, to lock one's self in a room; to lock up the prisoners; to lock up one's silver; to lock intruders out of the house; to lock money into a vault; to lock a child in one's arms; to lock a secret in one's breast.
4. To link together; to clasp closely; as, to lock arms. " Lock hand in hand." Shak.
5. (Canals)
Defn: To furnish with locks; also, to raise or lower (a boat) in a lock.