Casement

from WordNet (r) 3.0 (2006)

casement
    n 1: a window sash that is hinged (usually on one side)

from The Collaborative International Dictionary of English v.0.48

Casement \Case"ment\, n. [Shortened fr. encasement. See {Incase
   1st Case}, and cf. {Incasement}.] (Arch.)
   A window sash opening on hinges affixed to the upright side
   of the frame into which it is fitted. (Poetically) A window.
   [1913 Webster]

         A casement of the great chamber window.  --Shak.
   [1913 Webster]

from Easton's 1897 Bible Dictionary

Casement
a barrier of open-work placed before windows (Prov. 7:6). In
Judg. 5:28 the Hebrew word is rendered "lattice," in the LXX.
"network," an opening through which cool air is admitted.

from Moby Thesaurus II by Grady Ward, 1.0

41 Moby Thesaurus words for "casement":
      bay, bay window, bow window, cadre, case, casement window, casing,
      chassis, doorframe, fabric, fan window, fanlight, frame, framework,
      framing, grille, lancet window, lantern, lattice, latticework,
      light, louver window, oriel, pane, picture frame, picture window,
      port, porthole, rose window, sash, shell, skeleton, skylight,
      transom, wicket, window, window bay, window case, window frame,
      window glass, windowpane

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