ŏpisthogrăphus

I. written on the back (as, of the paper, etc.), opisthographic (post-Aug.): commentarii, Plin. Ep. 3, 5, 17.—Subst.: ŏpisthogrăphum, i, n., that which has been written upon on the back: testari in opisthographo, Dig. 37, 11, 4.