Definition of "lock" []

• A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or securing. (noun)
• A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section. (noun)
• A mechanism in a firearm for exploding the charge. (noun)
• An interlocking or entanglement of elements or parts. (noun)
• Sports A hold in wrestling or self-defense that is secured on a part of an opponent's body. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Then check to see that the callback is hit when you change any records void OnSiteMapChanged (string key, object item, CacheItemRemovedReason reason) lock (_lock) if (key = = _cacheDependencyName & & reason = ="
• "Like Italian autoloaders, it has a bolt lock, and on the SA-08, the lock is a little button on the side of the trigger guard that takes some getting used to."
• "Assuming the lock is a simple warded one, it doesn't seem that it's possible to unlock this chest and leave it unlocked."