(noun, verb)


1. a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air

Definition categories: man–made, frame, framework

2. a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened

Definition categories: man–made, opening

3. a transparent panel (as of an envelope) inserted in an otherwise opaque material

Definition categories: man–made, panel

4. an opening that resembles a window in appearance or function

- he could see them through a window in the trees

Definition categories: object, gap, opening

5. the time period that is considered best for starting or finishing something

- the expanded window will give us time to catch the thieves

- they had a window of less than an hour when an attack would have succeeded

Definition categories: time, period

6. a pane of glass in a window

- the ball shattered the window

Similar word(s): windowpane

Definition categories: man–made, pane

7. an opening in a wall or screen that admits light and air and through which customers can be served

- he stuck his head in the window

Definition categories: man–made, opening

8. (computer science) a rectangular part of a computer screen that contains a display different from the rest of the screen

Definition categories: man–made, display

Sentences with window as a noun:

- launch window;  window of opportunity;  You have a two-hour window of clear weather to finish working on the lawn.


1. (transitive) To furnish with windows.

2. (transitive) To place at or in a window.

- Wouldst thou be windowed in great Rome and see / Thy master thus with pleach'd arms, bending down / His corrigible neck? — Shakespeare.