\Or`mo*lu"\, n. [F. or moulu; or gold (L. aurum) + moulu,
p. p. of moudre to grind, to mill, L. molere. See {Aureate},
and {Mill}.]
A variety of brass made to resemble gold by the use of less
zinc and more copper in its composition than ordinary brass
contains. Its golden color is often heightened by means of
lacquer of some sort, or by use of acids. Called also {mosaic
gold}.
{Ormolu varnish}, a varnish applied to metals, as brass, to
   give the appearance of gold.