Mechanical devices

• Lock (device)
  Lock (device)
  A lock is a mechanical or electronic fastening device that is released by a physical object or secret information , or combination of more than one of these....
  
  , a mechanical device used to secure possessions
• Lock (firearm)
  Lock (firearm)
  The lock of a firearm is the system used to ignite the propellant. Types of lock include snaplock, matchlock, wheellock, flintlock, modern percussion, rotating bolt, and experimental electronic types. A complete firearm often consists of lock, stock, and barrel...
  
  , the ignition mechanism of small arms
• Lock (water transport)
  Lock (water transport)
  A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined plane, it is...
  
  , an enclosure in a navigable canal or river
• Rope lock
  Rope lock
  A rope lock is a device used in a counterweight fly system to prevent a rope, and the lineset it controls, from moving. It consists of two metal cams which are pressed towards each other so as to grip the rope by compressing it. A long steel handle—which is typically red powder coated or covered by...
  
  , a device used in theater fly systems

Technology

• Digital rights management
  Digital rights management
  Digital rights management is a class of access control technologies that are used by hardware manufacturers, publishers, copyright holders and individuals with the intent to limit the use of digital content and devices after sale. DRM is any technology that inhibits uses of digital content that...
  
   (DRM), a computer means of preventing duplication or re-distribution of computer-sensible data or computer programs, in particular, computer games
  Computer Games
  "Computer Games" is a single by New Zealand group, Mi-Sex released in 1979 in Australia and New Zealand and in 1981 throughout Europe. It was the single that launched the band, and was hugely popular, particularly in Australia and New Zealand...
  
   and electronic media
  Electronic media
  Electronic media are media that use electronics or electromechanical energy for the end-user to access the content. This is in contrast to static media , which today are most often created electronically, but don't require electronics to be accessed by the end-user in the printed form...
  
  .
• Lock (computer science)
  Lock (computer science)
  In computer science, a lock is a synchronization mechanism for enforcing limits on access to a resource in an environment where there are many threads of execution. Locks are one way of enforcing concurrency control policies.-Types:...
  
  , a bookkeeping object used to serialize concurrent access
• Lock (database)
  Lock (database)
  A lock is used when multiple users need to access a database concurrently. This prevents data from being corrupted or invalidated when multiple users try to write to the database. Any single user can only modify those database records to which they have applied a lock that gives them exclusive...
  
  , a feature used when multiple users access a database concurrently
• Lock (weapons guidance), an indication the missile seeker system has an acquisition fix
• SIM lock
  SIM lock
  A SIM lock, simlock, network lock or subsidy lock is a capability built into GSM phones by mobile phone manufacturers. Network providers use this capability to restrict the use of these phones to specific countries and network providers...
  
  , a restriction on mobile phones to work only in certain countries or with certain providers
• File locking
  File locking
  File locking is a mechanism that restricts access to a computer file by allowing only one user or process access at any specific time. Systems implement locking to prevent the classic interceding update scenario ....
  
  

Sports

• Lock (rugby league), a player position in rugby league
• Lock (rugby union), a player position in rugby union

Other uses

• Lock (surname)
  Lock (surname)
  Lock is a surname, and may refer to:* Bob Lock , Welsh science fiction and fantasy writer* Charlie Lock , Zimbabwean cricketer* David Lock , barrister and Labour Party politician in the United Kingdom...
  
  
• Lock of hair
  Lock of hair
  A lock of hair is a piece or pieces of hair that has been cut from, or remains singly on, a human head, most commonly bunched or tied together in some way...
  
  , a tuft or small bundle of hair
• Lock, South Australia
  Lock, South Australia
  also known as the most amazing town in AustraliaLock is a small wheatbelt town located in the centre of the Eyre Peninsula of South Australia. It is central Eyre Peninsula's main grain storage hub, as it is surrounded by a predominantly farming community, with emphasis on cereal crop production...
  
  , a small town in the centre of the Eyre Peninsula
• Lock (Saga of the Skolian Empire), a fictional sentient machine in the novels by Catherine Asaro

See also

• -lock
  -lock
  The suffix -lock in Modern English survives only in wedlock. It descends from Old English -lác which was more productive, carrying a meaning of "action or proceeding, state of being, practice, ritual". As a noun, Old English lác means "play, sport", deriving from an earlier meaning of "sacrificial...
  
  , an Old English suffix
• Locke
  Locke
  -People:*Locke , information about the surname and list of people*Locke *John Locke , English philosopher*Matthew Locke , baroque composer*Edwin A...
  
  , a common English surname and place name
• Loch
  Loch
  Loch is the Irish and Scottish Gaelic word for a lake or a sea inlet. It has been anglicised as lough, although this is pronounced the same way as loch. Some lochs could also be called a firth, fjord, estuary, strait or bay...
  
  , a Gaelic term used in Scotland to describe lakes and other bodies of water
• Locker
  Locker
  Locker may refer to:* Locker , various kinds of storage compartment or container* Footlocker , a storage box* In nautical usage, a "locker" may be a storage place that in other environments would not be referred to as a locker, such as cupboards on board ships for keeping stores, anchor lockers,...
  
  
• Lox
  Lox
  Lox is salmon fillet that has been cured. In its most popular form, it is thinly sliced—less than in thickness—and, typically, served on a bagel, often with cream cheese, onion, tomato, cucumber and capers...
  
  , cured salmon filet
• Locking (disambiguation)
• Unlock (disambiguation)
  Unlock (disambiguation)
  Unlock may refer to:* To undo a lock* UNLOCK, The National Association of Reformed Offenders, an independent United Kingdom-based charity, established in 2000 to campaign for the equality of reformed offenders...