Lewis Short
(adjective) : Sublăquĕum, i, n.
* A little town of the Aequi, in Latium, near which Nero had a country-seat, now Subiaco, Plin. 3, 12, 17, § 109; Tac. A. 14, 22.—Hence, Sublăcen-sis, e, , of or belonging to Sublaqueum: villa,that of Nero, near Sublaqueum,Front. Aquaed. 93: viae,constructed there by him,id. ib. 7; 14; 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary