casement(redirected from Casement, Sir Roger (David))
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a. A window sash that opens outward by means of hinges.
b. A window with such sashes.
2. A case or covering.
[Middle English, a hollow molding, possibly from Middle English case, chest, frame; see case2.]
1. (Architecture) a window frame that is hinged on one side
2. (Architecture) a window containing frames hinged at the side or at the top or bottom
3. a poetic word for window
[C15: probably from Old Northern French encassement frame, from encasser to frame, encase, from casse framework, crate, case2]
(Biography) Sir Roger (David). 1864–1916, British diplomat and Irish nationalist: hanged by the British for treason in attempting to gain German support for Irish independence
1. a window sash opening on hinges that are generally attached to the upright side of its frame.
2. Also called case′ment win′dow. a window with such a sash or sashes.
3. a casing or covering.
(Sir) Roger (David), 1864–1916, Irish patriot: hanged by the British for treason.