#fencing__fence  a barrier that serves to enclose an area
  supertype:  barrier  a structure or object that impedes free movement
  part of:  fence_line
  subtype:  backstop  a fence or screen (as behind home plate in baseball)
  subtype:  chainlink_fence__chainlinkfence  a fence of steel wires woven into a diamond pattern
  subtype:  hedgerow__hedge  a fence formed by a row of closely planted shrubs or bushes
     subtype:  privet_hedge  hedge of privet plants
     subtype:  windbreak  hedge or fence of trees designed to lessen the force of the wind and reduce erosion
  subtype:  picket_fence__paling  a fence made of upright pickets
  subtype:  rail_fence  a fence (usually made of split logs laid across each other at an angle)
     subtype:  worm_fence__snake_fence__snake-rail_fence__Virginia_fence  rail fence consisting of a zigzag of interlocking rails
  subtype:  stone_wall__stonewall  a fence built of rough stones; used to separate fields
     subtype:  dry_wall__drywall__dry-stone_wall__drystonewall  a stone wall made with stones fitted together without mortar
  subtype:  wall.fencing  a masonry fence (as around an estate or garden); "the wall followed the road"; "he ducked behind the garden wall and waited"
     subtype:  party_wall__partywall  a wall erected on the line between two properties and shared by both owners
     subtype:  retaining_wall__retainingwall  a wall that is built to resist lateral pressure (especially a wall built to prevent the advance of a mass of earth)
  subtype:  weir.fencing  a fence or wattle built across a stream to catch or retain fish

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