Lewis & Short

hŏlŏgrăphus, a, um, adj., = ὁλόγραφος, entirely autograph (late Lat.): epistula, entirely written by one’s own hand, autograph, Hier. adv. Ruf. 3, 5: membrana, Sid. Ep. 9, 11 med.: testamentum, Isid. Orig. 5, 24.