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window

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noun win·dow \ˈwin-(ˌ)dō\

Simple Definition of window

  • : an opening in a wall, door, etc., that usually contains a sheet of glass

  • : a sheet of glass that covers an opening in a building, vehicle, etc.

  • : a large window at the front of a store where goods are displayed so that they can be seen by people who are walking past

Full Definition of window

  1. 1 a :  an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (as glass) and capable of being opened and shut b :  windowpane c :  a space behind a window of a retail store containing displayed merchandise d :  an opening in a partition or wall through which business is conducted <a bank teller's window>

  2. 2 :  a means of entrance or access; especially :  a means of obtaining information <a window on history>

  3. 3 :  an opening (as a shutter, slot, or valve) that resembles or suggests a window

  4. 4 :  the transparent panel or opening of a window envelope

  5. 5 :  the framework (as a shutter or sash with its fittings) that closes a window opening

  6. 6 :  chaff 4

  7. 7 :  a range of wavelengths in the electromagnetic spectrum to which a planet's atmosphere is transparent

  8. 8 a :  an interval of time within which a rocket or spacecraft must be launched to accomplish a particular mission b :  an interval of time during which certain conditions or an opportunity exists <a window of vulnerability>

  9. 9 :  an area at the limits of the earth's sensible atmosphere through which a spacecraft must pass for successful reentry

  10. 10 :  any of various rectangular boxes appearing on a computer screen that display files or program output, that can usually be moved and resized, and that facilitate multitasking

win·dow·less play \-dō-ləs, -də-\ adjective
out the window
  1. :  out of existence, use, or consideration

Examples of window

  1. She opened a window to let in some air.

  2. I looked out the window and saw a deer.

  3. He used vinegar and water to wash the windows.

  4. He accidentally broke a window.

  5. Can you roll down the car window?

  6. The windows along 5th Avenue were all decorated for Christmas.

  7. I saw a beautiful dress in the window.

  8. He sits behind a window and sells movie tickets.

  9. Make sure the address shows through the window in the envelope.

  10. A window opened in the fog and we could finally see the ocean.



Origin of window

Middle English windowe, from Old Norse vindauga, from vindr wind (akin to Old English wind) + auga eye; akin to Old English ēage eye — more at eye


First Known Use: 13th century

Other Building Terms


Medical Dictionary

window

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noun win·dow \ˈwin-(ˌ)dō, -də(-w)\

Medical Definition of window

  1. 1:  fenestra 1

  2. 2:  a small surgically created opening :  fenestra 2a

  3. 3:  a usually narrow interval of time or range of values for which a certain condition or an opportunity exists <coma and multiorgan failure can occur within hours and there may be a very narrow window of opportunity for transplantation—J. P. A. Lodge>—see therapeutic window






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