Lock

Lock may refer to:

Mechanical devices

• Lock (device), a mechanical device used to secure possessions
• Lock (firearm), the ignition mechanism of small arms
• Lock (water transport), an enclosure in a navigable canal or river
• Rope lock, a device used in theater fly systems

Technology

• Digital rights management (DRM), a computer means of preventing duplication or re-distribution of computer-sensible data or computer programs, in particular, computer games and electronic media.
• Lock (computer science), a bookkeeping object used to serialize concurrent access
• Lock (database), 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, a restriction on mobile phones to work only in certain countries or with certain providers
• File locking

Sports

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

Other uses

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