(computer science) a small temporary window in a graphical user interface that appears in order to request information from the user; after the information has been provided the user dismisses the box with `okay' or `cancel' | 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 |
| (computer science) a rectangular part of a computer screen that contains a display different from the rest of the screen |
| 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 |
| an opening that resembles a window in appearance or function |
| the time period that is considered best for starting or finishing something |