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Lock(s) may refer to:


Common meanings

*
Lock and key A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or pa ...
, a mechanical device used to secure items of importance *
Lock (water navigation) A lock is a device used for raising and lowering boats, ships and other watercraft 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 lev ...
, a device for boats to transit between different levels of water, as in a canal


Arts and entertainment

* ''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 * ''Locked'' (miniseries), Indian web miniseries * ''The Lock'' (Constable), an 1824 painting by John Constable * ''The Lock'' (Fragonard) or ''The Bolt'', a 1777 painting by Jean-Honoré Fragonard * ''Locks'' (album), by Garnet Crow, 2008


People

* Lock (surname) *
Ormer Locklear Ormer Leslie "Lock" Locklear (October 28, 1891 – August 2, 1920) was an American daredevil stunt pilot and film actor. His popular flying circus caught the attention of Hollywood, and he starred in ''The Great Air Robbery'' (1919), a scre ...
(1891–1920), American stunt pilot and film actor nicknamed "Lock" * George Locks (1889–1965), English cricketer *
Lock Martin Joseph Lockard "Lock" Martin Jr. (October 12, 1916 – January 19, 1959) was an American performer afflicted with giantism. Martin and a twin brother were born in South Philadelphia, Pennsylvania; his brother died in childbirth. Martin would e ...
(1916–1959), stage name of American actor Joseph Lockard Martin, Jr.


Places

*
Lock, Ohio Lock is an unincorporated community in Knox and Licking counties in the U.S. state of Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of n ...
, an unincorporated community in the United States *
Lock, South Australia Lock is a town in the centre of Eyre Peninsula in 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. The town has a hotel, ca ...
, a small town in the center of the Eyre Peninsula * Lock Island, an island in the River Thames in England *
Lock Island (Nunavut) Lock Island is a member of the Arctic Archipelago in the territory of Nunavut. It lies in Peel Sound across the mouth of Browne Bay, between northeastern Prince of Wales Island and northwestern Somerset Island. Vivian Island lies to the southe ...
, an island Peel Sound in Nunavut, Canada


Sports

*
Lock (rugby league) A rugby league team consists of thirteen players on the field, with 4 substitutes on the bench. Each of the thirteen players is assigned a position, normally with a standardised number, which reflects their role in attack and defence, although pl ...
, a player position in rugby league, known as loose forward in the United Kingdom * Lock (rugby union), a player position in rugby union *Lock, any of several
grappling hold A grappling hold, commonly referred to simply as a hold that in Japanese is referred to as ''katame-waza'' ( "grappling technique"), is any specific grappling, wrestling, judo, or other martial art grip that is applied to an opponent. Grappl ...
s in wrestling, judo and other martial arts


Technology


Computing

*
Lock (computer science) In computer science, a lock or mutex (from mutual exclusion) is a synchronization primitive: a mechanism that enforces limits on access to a resource when there are many threads of execution. A lock is designed to enforce a mutual exclusion concu ...
, a bookkeeping object used to serialize concurrent access *
Lock (database) Record locking is the technique of preventing simultaneous access to data in a database, to prevent inconsistent results. The classic example is demonstrated by two bank clerks attempting to update the same bank account for two different transacti ...
, a feature used when multiple users access a database concurrently *
File locking File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time and to prevent reading of the file while it's being modified or deleted ...
, describes a mechanism that restricts access to a computer file *
SIM lock SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific co ...
, a restriction on mobile phones to work only in certain countries or with certain providers


Other technologies

*
Lock and key A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or pa ...
, a mechanical device used to secure items of importance *
Lock (firearm) The lock of a firearm is the mechanism used to initiate firing. It is a historical term, in that it generally refers to such mechanisms used in muzzle-loading and early breech-loading firearms. Side-lock refers to the type of construction, in wh ...
, the ignition mechanism of small arms *
Lock (water navigation) A lock is a device used for raising and lowering boats, ships and other watercraft 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 lev ...
, a device for boats to transit between different levels of water, as in a canal *
Lock (weapons guidance) A Constantly Computed Impact Point (CCIP) is a calculation provided by a weapon's sighting system. It is a predicted point of impact found from the launch platform's movement, the target's movement, gravity, projectile launch velocity, projectil ...
, missile navigation system's target acquisition fix *
Fermentation lock A fermentation lock or airlock is a device used in beer brewing and wine making that allows carbon dioxide released during fermentation to escape the fermenter, while not allowing air to enter the fermenter, thus avoiding oxidation. There are ...
, a device in beer and wine making that allows carbon dioxide to escape while not allowing air to enter *
Rope lock In a theater fly system, a rope lock is a device used to prevent a rope, and the line set it controls, from moving. A rope lock is controlled by a steel handle that engages the lock when vertical and releases it when horizontal. The handle is ty ...
, a device used in theater fly systems


Other uses

*
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 standard dictionary definition defines a lock as a tress, curl, or ringlet of hair. S ...
, a piece of hair *
Dreadlocks Dreadlocks, also known as locs or dreads, are rope-like strands of hair formed by locking or braiding hair. Origins Some of the earliest depictions of dreadlocks date back as far as 1600–1500 BCE in the Minoan Civilization, one of Europe ...
, or locks, rope-like strands of hair formed by locking or braiding


See also

* * * -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) Locker may refer to: * Locker (cabinet), various kinds of storage compartment or container * Locker (software) * Locker (surname), various people * The Lockers, a dance group * Lockers Bay, a bay of the island of Newfoundland, Canada * Locki ...
* Locking (disambiguation) *
LOCKSS The LOCKSS ("Lots of Copies Keep Stuff Safe") project, under the auspices of Stanford University, is a peer-to-peer network that develops and supports an open source system allowing libraries to collect, preserve and provide their readers with acc ...
(Lots of Copies Keep Stuff Safe), a peer-to-peer network *
Lox Liquid oxygen—abbreviated LOx, LOX or Lox in the aerospace, submarine and gas industries—is the liquid form of molecular oxygen. It was used as the oxidizer in the first liquid-fueled rocket invented in 1926 by Robert H. Goddard, an appli ...
, cured salmon filet * Unlock (disambiguation) {{Disambiguation, geo