\Pane\, n. [F. panne.]
The narrow edge of a hammer head. See {Peen}.

\Pane\, n. [OE. pan part, portion of a thing, F. pan a
skirt, lappet, part or piece of a wall, side, fr. L. pannus a
cloth, fillet, rag; akin to E. vane. See {Vane}, and cf.
{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. (Arch.)
   (a) 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) Especially, in modern use, the glass in one
       compartment of a window sash.
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.