Lewis & Short

1. Vĕlīnus lăcus or simply Vĕlī-nus, a lake in the Sabine territories, between Reate and Interamnum, Plin. 3, 12, 17, § 108; Verg. A. 7, 517: Rosea rura Velini, id. ib. 7, 712.
It gave its name to Vĕlīna trĭbus, the people who dwelt around this lake, Cic. Att. 4, 15, 9; Liv. Epit. 19 fin.; called also Velina, Hor. Ep. 1, 6, 52; Pers. 5, 73.