Pomptīnus (Pontīn-), a, um, adj.,
I Pomptine , an appellation given to a district in Latium , near Pometia : ager, Liv. 6, 5; Flor. 1, 13, 20: palus, Juv. 3, 307; and freq. in the plur. paludes, the extensive marshy district exposed to the inundations of the Amasenus and Ufens , still called the Pomptine ( Pontine ) Marshes , Plin. 3, 5, 9, § 59; 26, 4, 9, § 19; Suet. Caes. 47; Mart. 10, 74; Luc. 3, 85.—
II Subst.: Pomptī-num , i, n., the Pomptine district , Liv. 2, 34: inde Pomptinum sumam, Cic. Att. 7, 5, 3 (Baiter).