A window sash that opens outward by means of hinges.
													
																	Casement window sash definition. 
								
	
		
	
																	A case or covering. 
																	Casement synonyms casement pronunciation casement translation english dictionary definition of casement. 
																	A casement window is another extremely popular window type among homeowners available in wood fiberglass and vinyl. 
																	A window with such sashes. 
															
													
								
	
		
	
																	A casement is a window that is attached to its frame by one or more hinges at the side. 
																	Hinged at the top. 
																	A window sash is the unified framed part of the window which holds the sheets of glass in place along with relevant components such as the mullions or muntins. 
																	Casement definition a window sash opening on hinges that are generally attached to the upright side of its frame. 
															
													
								
	
		
	
																	Casement windows are often held open using a casement stay. 
																	A window sash is not the entire window since a window may be composed of more than one window sash. 
																	Operated by a hand crank a casement windowpane extends open away from the home to catch breezes. 
																	Unlike the sash of a traditional sliding window which hangs in a window frame by ropes weights or other devices a casement window is permanently mounted into a space.