friar UK /ˈfɹaɪə/US /ˈfɹaɪɚ/ noun4 •A member of a mendicant Christian order such as the Augustinians, Carmelites (white friars), Franciscans (grey friars) or the Dominicans (black friars). •An American fish, the silverside. •Such fish prepared as food. •(old-fashioned) A white or pale patch on a printed page caused by poor inking. formsfriars