Vadimonis
From LSJ
Vădĭmōnis lăcus:
I a small lake in Etruria near Ameria, now Laghetto di Bassano, Plin. 2, 95, 96, § 209; Liv. 9, 39, 5; Plin. Ep. 8, 20, 3; Sen. Q. N. 3, 25, 8; in the order lacus Vadimonis, Flor. 1, 13, 11; cf. Dennis, Etruria, 1, p. 107 sq.