Source : Webster's Revised Unabridged Dictionary (1913)

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

Pane \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.

Source : WordNet®

pane
     n 1: sheet glass cut in shapes for windows or doors [syn: {pane
          of glass}, {window glass}]
     2: a panel or section of panels in a wall or door [syn: {paneling},
         {panelling}]
     3: street name for lysergic acid diethylamide [syn: {acid}, {back
        breaker}, {battery-acid}, {dose}, {dot}, {Elvis}, {loony
        toons}, {Lucy in the sky with diamonds}, {superman}, {window
        pane}, {Zen}]