windowpane
Windowpane (noun) means a single piece of glass that fills a window or one section of a window. Example: “A cricket ball smashed the windowpane in the front room.”
How to use windowpane
Learner’s notesIn plain EnglishA windowpane is a pane of glass in a window, or a large-checked fabric pattern named after it.
It is a plain, everyday word suitable for general use.
In fashion contexts, windowpane refers to the check pattern, not to glass, so check the surrounding words for the meaning.
Trace the full origin ↓Fill the gap
Can you complete this real example?
A cricket ball smashed the _____ in the front room.
Etymology
The word is a straightforward compound of window and pane, joining the frame that holds glass with the term for the glass piece itself.