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Patch may refer to:


  • Patch (computing), a piece of software designed to fix or improve a computer program or its supporting data
  • patch (Unix), a UNIX utility that updates text files according to instructions contained in a separate file, called "patch file"
  • Patch, a 3-D Bézier curve used in computer graphics, or a primitive in some 3-D software packages


  • Patch antenna, rectangular Microstrip Antenna is a radio antenna constructed from a single metal patch suspended over a ground plane
  • Autopatch or phone patch, used in amateur radio to access an outgoing connection
  • Patch (synthesizer), sound setting for musical synthesizers
  • Patch cable, electrical or optical cable used to connect devices for signal routing
  • Swede Patch 2000, guitar/synthesizer hybrid made by Hagström

Geography and landscape[edit]

  • Coal patch, a town created for a coal mine and owned by the company
  • Patch, California, community in Kern County
  • Patch, St. Louis, a neighborhood in St. Louis, Missouri
  • Patch, the local name given to the sheltered mooring area in the River Teifi estuary near Gwbert, South Ceredigion, Wales
  • Patch and mosaic, a relatively homogeneous area that differs from its surroundings in Landscape ecology
  • A small garden where fruit or vegetables are grown (e.g., pumpkin patch)



Science and medicine[edit]


  • Embroidered patch, embroidered design applied to clothing by organizations or individuals
  • Eyepatch, used in the treatment of eye disorders, or for aesthetic purposes in covering an injured or missing eye
  • Shoulder patch, or Shoulder Sleeve Insignia (United States Army), various types of insignia used for military identification
  • IR flag, or IR patch, a specialized patch for military combat identification
  • Gang patch, identifying insignia used by street gangs
  • The application, often by sewing, of a small piece of cloth over a hole in an item of clothing to extend its useful life

Other uses[edit]

  • PATCH (Pembrokeshire Action To Combat Hardship), a Pembrokeshire based charity
  • Patch Media Corporation, operator of online news service
  • Patch, the practice of compulsory figures in figure skating, as each skater is assigned their own "patch" of ice