Definition of "window-sash" [window-sash]

• The sash or light frame in which panes of glass are set for windows. See sash. (noun)

The Century Dictionary (Public Domain)

• "Excitedly, I sprang down the steps, and, guided by the rattle of the window-sash, reached the door of one of the empty bedrooms, at the back of the house."
• "We need to redeploy the window-sash prisms for the winter -- an assortment of glass that throws rainbows all over the room, but we have to take them down in the summer when we want to, you know, _open_ the windows."
• "I lifted up the window-sash quick, and jumped in; but before I made two steps Jim sprang past me, and raised his pistol."