supplied with louvers for ventilation
a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened
a transparent panel (as of an envelope) inserted in an otherwise opaque material
an opening that resembles a window in appearance or function
a pane of glass in a window
an opening in a wall or screen that admits light and air and through which customers can be served
the time period that is considered best for starting or finishing something
