Noun

The panels wherewith a surface (especially an indoor wall) is covered, considered collectively.

*, chapter=10

, title= The Mirror and the Lamp , passage=He looked round the poor room, at the distempered walls, and the bad engravings in meretricious frames, the crinkly paper and wax flowers on the chiffonier; and he thought of a room like Father Bryan's, with panelling , with cut glass, with tulips in silver pots, such a room as he had hoped to have for his own.}}

*{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=3 citation , passage=Here the stripped panelling was warmly gold and the pictures, mostly of the English school, were mellow and gentle in the afternoon light.}}

Noun

(en noun)

An individual sheet of glass in a window.

(computing, graphical user interface) A layer in the build-up of a GUI.

A division; a distinct piece or compartment of any surface.

A square of a checkered or plaid pattern.

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.

(architecture) A compartment of a surface, or a flat space; hence, one side or face of a building.

An octagonal tower is said to have eight panes .

A subdivision of an irrigated surface between a feeder and an outlet drain.

One of the flat surfaces, or facets, of any object having several sides.

One of the eight facets surrounding the table of a brilliant-cut diamond.

(Webster 1913)