Lock

Look up lock or locks in Wiktionary, the free dictionary.

Lock may refer to:

Common meanings

• Lock (security device), a mechanical device used to secure items of importance
• Lock (water navigation), a device for boats to transit between different levels of water
• Lock of hair, a tuft or small bundle of hair

Places

• Lock, Ohio, an unincorporated community in the USA
• Lock, South Australia, a small town in the centre of the Eyre Peninsula
• 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

Arts, entertainment, and media

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

Computing and technology

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

Navigation

• Lock (weapons guidance), missile navigation system's target acquisition fix

Sports

• Lock (rugby league), a player position in rugby league
• Lock (rugby union), a player position in rugby union
• Lock, a number of grappling holds in wrestling, judo and other martial arts, e.g., armlock, leglock

Other uses

• Lock (firearm), the ignition mechanism of small arms
• Fermentation lock, a device in beer and wine making that allows carbon dioxide to escape while not allowing air to enter
• Rope lock, a device used in theater fly systems

See also

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