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Lock may refer to:


Common meaningsEdit



  • 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 mediaEdit

Computing and technologyEdit

  • 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



Other usesEdit

  • 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 alsoEdit