Window sill

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1) Sill; 2) lintel.
1. Cripple stud 2. Window Header 3. Top Plate/Wall Plate 4. Window Sill 5. Stud 6. Sill/Sole Plate/Bottom Plate

A window-sill is:

  1. The lowest part of a window frame. Window sills hold the side pieces in place and slope outward to drain water. In a double hung window, the lower sash rests on the sill;
  2. The horizontal piece below a window unit in masonry construction or in wood framing. The window sill of the window frame sits on the window sill of the wall opening;[1]
  3. The lowermost, interior trim work on a window;
  4. Meets the dictionary definition of a shelf "A flat, usually rectangular structure composed of a rigid material, such as wood, glass, or metal, fixed at right angles to a wall or other vertical surface and used to hold or store objects." [2]

See also[edit]


  1. ^ Sturgis, Russell. A dictionary of architecture and building: biographical, historical, and descriptive , vol.3. New York: The Macmillan Co. ;, 1901. 1,100. Print.
  2. ^ Shelf