Lock

Lock(s) may refer to:

Common meanings

Lock and key, a mechanical device used to secure items of importance
Lock (water navigation), a device for boats to transit between different levels of water, as in a canal

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

Lock (surname)
Ormer Locklear (1891–1920), American stunt pilot and film actor nicknamed "Lock"
George Locks (1889–1965), English cricketer
Lock Martin (1916–1959), stage name of American actor Joseph Lockard Martin, Jr.

Lock (rugby league), 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 holds in wrestling, judo and other martial arts

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

Lock and key, a mechanical device used to secure items of importance
Lock (firearm), the ignition mechanism of small arms
Lock (water navigation), a device for boats to transit between different levels of water, as in a canal
Lock (weapons guidance), missile navigation system's target acquisition fix
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