experti Save Du Cange EXPERTI, Extranei, extra partem notitiæ. Gloss. Isid. Melius Papias : Expers, extra partem, vel patriam, alienus, extraneus. Expertia, Extranea, vel ut habet Johannes de Janua, Extraneitas. Gloss. Lat. Gall. Sangerm. : Expers, sens partie.