Lewis Short
Ācron (noun M) :
* A king of the Caeninenses, who, in the war with the Romans on account of the rape of the Sabines, was slain by Romulus, Prop. 4, 10, 7.
* A Greek slain by Mezentius, Verg. A. 10, 719.
* Helenius Acron, a commentator on Terence, Horace, and perh. Persius; cf. Teuffel, Rom. Lit. II. § 370.
Charlton T. Lewis, Charles Short, A Latin Dictionary