Casement
Pronunciation : Case"ment
Part of Speech : n.
Etymology : [Shortened fr. encasement. See Incase 1st Case, and cf. Incasement.] (Arch.)
Definition : Defn: A window sash opening on hinges affixed to the upright side of the frame into which it is fitted. (Poetically) A window. A casement of the great chamber window. Shak.
Source : Webster's Unabridged Dictionary, 1913