Lewis Short
(adjective) : pŭtĕālis, e, id.
* Of or belonging to a well, well-: undae,well-water,Ov. Ib. 391; so, lymphae,Lucr. 6, 1178: aquae,Dig. 43, 1, 20, § 6: fons,Col. 11, 3, 8: unda,id. 1, 5, 1: pocula,of spring-water,Juvenc. 2, 259; cf. puteanus.
Charlton T. Lewis, Charles Short, A Latin Dictionary