cornice

/K AO1 R N IH0 S/
noun
  1. 1

    A horizontal architectural element of a building, projecting forward from the main walls, originally used as a means of directing rainwater away from the building's walls.

  2. 2

    A decorative element applied at the topmost part of the wall of a room, as with a crown molding.

  3. 3

    A decorative element at the topmost portion of certain pieces of furniture, as with a highboy.

  4. 4

    (mountaineering) An overhanging edge of snow on a ridge or the crest of a mountain and along the sides of gullies.

Synonyms

verb
  1. 1

    To furnish or decorate with a cornice.

Source: https://en.wiktionary.org/wiki/cornice