type of cookie (made by Nabisco), 1912; the source of the name has been forgotten. As a derogatory word for "black person felt to have a 'white' mentality," 1968, African-American vernacular, from the snack cookies, which consist of dark chocolate wafers and white sugar cream filling (hence "brown outside, white inside"). Compare radish-communist (1920), one who proclaims enthusiasm for the Party but privately opposes it, on the notion of red outside, white inside.
also Sauternes, name for certain white wines from the Gironde, by 1711, from Sauterne, district near Bordeaux where they are made.
fem. proper name, also Guiniver, Guinever, Gwiniver; the name is Welsh, said to be from Gwenhwyvar, said to mean literally "white-cheeked," but "Magic Fairy" also has been proposed.