panes is a form of:

Pane



noun
1.
(a piece of glass in a window) កញ្ចក់បង្អួច ឬទ្វារ, ផ្ទាំងកញ្ចក់
ENGLISH MEANING
noun
1.
The narrow edge of a hammer head.
2.
A division; a distinct piece, limited part, or compartment of any surface; a patch; hence, a square of a checkered or plaided pattern.
3.
One of the openings in a slashed garment, showing the bright colored silk, or the like, within; hence, the piece of colored or other stuff so shown.
4.
A compartment of a surface, or a flat space; hence, one side or face of a building; as, an octagonal tower is said to have eight panes.
5.
Especially, in modern use, the glass in one compartment of a window sash.
6.
In irrigating, a subdivision of an irrigated surface between a feeder and an outlet drain.
7.
One of the flat surfaces, or facets, of any object having several sides.
8.
One of the eight facets surrounding the table of a brilliant cut diamond.