IPA: /peɪn/
KK: /peɪn/
A flat piece of glass or other transparent material that is set into a frame, often used in windows or doors.
The old house had a beautiful stained glass pane in the front door.
Pane → The word 'pane' originates from Old French 'pan', meaning a piece or a section. It refers specifically to a flat piece of material, often glass, used in windows or doors.
Think of a 'piece' ('pan') of glass that fits into a window frame — that's what a pane is.