a Roman grammarian, of whom nothing is known, but whose opinions are frequently cited by later grammarians, especially by Festus and his epitomist Paulus.
The title of one of Santra's works was, De Verborum Antiquitate.
(Charisius, p. 112; Scaurus, p. 2256; Festus, pp. 68, 170, 173, 194, 254, 277, 333, ed. Müller.)