. A Roman grammarian, the author of a
commentary on Vergil, now existing in a fragmentary condition, and written probably about A.D.
80. In this he treated systematically Vergil's deviations from ordinary usage in syntax. See
Ribbeck's Prolegom. to Vergil, p. 128. Another Asper wrote an Ars Grammatica
printed in Keil's Grammatici Latini
, v. 547.