Windowpane (noun)

A single sheet of glass set in a window frame.

Origin:

The word 'windowpane' comes from the middle english word 'windoepane', meaning 'glass in a window'.

Examples:

1. The windowpane was shattered by the storm.
2. She looked out the windowpane and saw the rain.
3. The windowpanes were covered in frost on a cold winter morning.
4. The windowpane let in a lot of natural light into the room.
5. The windowpane was foggy from the hot shower.