Lewis Short
Lārĭus | Lārĭus, a, um (noun M) :
* A lake in Gallia Cisalpina, on which Comum lay, now Lago di Como, Verg. G. 2, 159; Plin. Ep. 9, 7, 1; Plin. 3, 19, 23, § 131.—Hence, , , adj., of Larius, Larian: Larium litus,Cat. 35, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary