whiteface noun6 •Makeup that makes the face appear white.Whiteface is sometimes worn by clowns and mimes, or in the Gothic subculture. •(slang) A person of European descent. (See usage notes.) •A traditional clown who ranks above the auguste. •A Hereford cow. •Any bird of the genus Aphelocephala. •Any dragonfly of the genus Leucorrhinia. formswhitefaces