Lock

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Lock may refer to:

Common meanings

• Lock (security device), a mechanical device used to secure items of importance.
• Lock of hair, a tuft or small bundle of hair
• Lock (water transport), a device for boats to transit between different levels of water
• Lock (weapons guidance), missile navigation system's target acquisition fix
• Lock (firearm), the ignition mechanism of small arms
• Lock (rugby league), a player position in rugby league
• Lock (rugby union), a player position in rugby union
• Fermentation lock, a device in beer and wine making that allows carbon dioxide to escape while not allowing air to enter
• Lock, a number of grappling holds in wrestling, judo and other martial arts, e.g. armlock, leglock
• Rope lock, a device used in theater fly systems
• Lock (Waltz), a dance figure

Information technology

• File locking, describes a mechanism that restricts access to a computer file
• Lock (computer science), a bookkeeping object used to serialize concurrent access
• Lock (database), a feature used when multiple users access a database concurrently
• SIM lock, a restriction on mobile phones to work only in certain countries or with certain providers

Places

• Lock, South Australia, a small town in the centre of the Eyre Peninsula
• Lock, Ohio, an unincorporated community
• Lock Island (disambiguation), several islands

People

• Lock (surname)
• Ormer Locklear (1891–1920), American stunt pilot and film actor nicknamed "Lock"
• Lock Martin (1916–1959), stage name of American actor Joseph Lockard Martin, Jr., best known for playing the robot Gort in the film The Day the Earth Stood Still

Film and Fictional characters

• Lock (film), a 2016 Punjabi film
• Lock (Saga of the Skolian Empire), a sentient machine in the novels by Catherine Asaro

See also

• All pages with titles beginning with Lock
• All pages with titles containing Lock
• -lock, an Old English suffix
• Loch, a Gaelic term used in Scotland to describe lakes and other bodies of water
• Locke (disambiguation), a common English surname and place name
• Locker (disambiguation)
• Locking (disambiguation)
• Lox, cured salmon filet
• Unlock (disambiguation)