What is another word for window frame?
Pronunciation: [wˈɪndə͡ʊ fɹˈe͡ɪm] (IPA) 
The word "window frame" refers to the structure that holds the glass of a window in place. However, there are many different synonyms that can be used to describe window frames depending on their shape, style, and material. Some of these synonyms include casement, sash, jamb, mullion, transom, and sill. A casement window frame is hinged and swings open like a door, while a sash window frame has a movable panel. The jamb is the vertical part of the frame that holds the window in place. Mullions are the vertical or horizontal dividers between multiple panels of glass, and a transom is a horizontal bar that separates two windows. Finally, the sill is the piece that forms the bottom of the frame and sits on the exterior surface.
