Webster's Revised Unabridged Dictionary · 1913

Pane

Pane , noun

[French panne.]

The narrow edge of a hammer head. See Peen.

Pane , noun

[Old English pan part, portion of a thing, French pan a skirt, lappet, part or piece of a wall, side, from Latin pannus a cloth, fillet, rag; akin to English vane. See Vane, and compare Panel, Pawn pledge.]

1.
A division; a distinct piece, limited part, or compartment of any surface; a patch; hence, a square of a checkered or plaided pattern.
2.
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.
3.
(a) (Architecture) 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.
(b)
(Architecture) Especially, in modern use, the glass in one compartment of a window sash; a windowpane.
4.
In irrigating, a subdivision of an irrigated surface between a feeder and an outlet drain.
5.
(a) One of the flat surfaces, or facets, of any object having several sides.
(b)
One of the eight facets surrounding the table of a brilliant cut diamond.