French window
 落地長窗
 Win·dow n.
 1. An opening in the wall of a building for the admission of light and air, usually closed by casements or sashes containing some transparent material, as glass, and capable of being opened and shut at pleasure.
    I leaped from the window of the citadel.   --Shak.
  Then to come, in spite of sorrow,
 And at my window bid good morrow.   --Milton.
 2. Arch. The shutter, casement, sash with its fittings, or other framework, which closes a window opening.
 3. A figure formed of lines crossing each other.  [R.]
    Till he has windows on his bread and butter.   --King.
 French window Arch., a casement window in two folds, usually reaching to the floor; -- called also French casement.
 Window back Arch., the inside face of the low, and usually thin, piece of wall between the window sill and the floor below.
 Window blind, a blind or shade for a window.
 Window bole, part of a window closed by a shutter which can be opened at will. [Scot.]
 Window box, one of the hollows in the sides of a window frame for the weights which counterbalance a lifting sash.
 Window frame, the frame of a window which receives and holds the sashes or casement.
 Window glass, panes of glass for windows; the kind of glass used in windows.
 Window martin Zool., the common European martin. [Prov. Eng.]
 Window oyster Zool., a marine bivalve shell (Placuna placenta) native of the East Indies and China. Its valves are very broad, thin, and translucent, and are said to have been used formerly in place of glass.
 Window pane. (a) Arch. See Pane, n., 3 (b).  (b) Zool. See Windowpane, in the Vocabulary.
 Window sash, the sash, or light frame, in which panes of glass are set for windows.
 Window seat, a seat arranged in the recess of a window.  See Window stool, under Stool.
 Window shade, a shade or blind for a window; usually, one that is hung on a roller.
 Window shell Zool., the window oyster.
 Window shutter, a shutter or blind used to close or darken windows.
 Window sill Arch., the flat piece of wood, stone, or the like, at the bottom of a window frame.
 Window swallow Zool., the common European martin. [Prov. Eng.]
 Window tax, a tax or duty formerly levied on all windows, or openings for light, above the number of eight in houses standing in cities or towns. [Eng.]
 French prop. a.  Of or pertaining to France or its inhabitants.
  French bean Bot., the common kidney bean (Phaseolus vulgaris).
 French berry Bot., the berry of a species of buckthorn (Rhamnus catharticus), which affords a saffron, green or purple pigment.
 French casement Arch. See French window, under Window.
 French chalk Min., a variety of granular talc; -- used for drawing lines on cloth, etc. See under Chalk.
 French cowslip Bot. The Primula Auricula. See Bear's-ear.
 French fake Naut., a mode of coiling a rope by running it backward and forward in parallel bends, so that it may run freely.
 French honeysuckle Bot. a plant of the genus Hedysarum (H. coronarium); -- called also garland honeysuckle.
 French horn, a metallic wind instrument, consisting of a long tube twisted into circular folds and gradually expanding from the mouthpiece to the end at which the sound issues; -- called in France cor de chasse.
 French leave, an informal, hasty, or secret departure; esp., the leaving a place without paying one's debts.
 French pie [French (here used in sense of “foreign”) + pie a magpie (in allusion to its black and white color)] Zool., the European great spotted woodpecker (Dryobstes major); -- called also wood pie.
 French polish. (a) A preparation for the surface of woodwork, consisting of gums dissolved in alcohol, either shellac alone, or shellac with other gums added. (b) The glossy surface produced by the application of the above.
 French purple, a dyestuff obtained from lichens and used for coloring woolen and silken fabrics, without the aid of mordants. --Ure.
 French red rouge.
 French rice, amelcorn.
 French roof Arch., a modified form of mansard roof having a nearly flat deck for the upper slope.
 French tub, a dyer's mixture of protochloride of tin and logwood; -- called also plum tub. --Ure.
 French window. See under Window.
 French window
      n : a French door situated in an exterior wall of a building