whitefacePronunciation: /ˈwʌɪtfeɪs/Definition of whiteface noun 1 [mass noun] white stage make-up: the man in whiteface going up on the stage 2chiefly North American a Hereford cow or bull. 3an Australian warbler with a white face. Genus Aphelocephala, family Acanthizidae: three species whiteface in other Oxford dictionaries Definition of whiteface in the US English dictionary