Definition of "whiteface"

whiteface

noun
countable and uncountable, plural whitefaces
1. (uncountable) Makeup that makes the face appear white.
2. (countable) Any bird of the genus Aphelocephala.
3. A Hereford cow.
4. (countable) Any dragonfly of the genus Leucorrhinia.
5. (countable, slang) A person of European descent. (See usage notes.)
  Quotations
  Craig has gotten himself entree into a dangerous Chinatown card game, where he is playing the role of the malleable whiteface, the unlucky Irishman known as Mickey in order to infiltrate the drug-dealing operations of Asian gang members.
  2007 December 10, Janet Maslin, “Cop's Wife Spiraling Out of Control in Chicago”, in New York Times‎
6. (countable) A traditional clown who ranks above the auguste.