Lewis & Short

Pyrgi, ōrum, m., = Πύργοι,

  1. I. a colony in Etruria, now the village of S. Severa, Mel. 2, 4, 9; Plin. 3, 5, 8, § 51; Liv 36, 3, 6; Verg. A. 10, 184; Suet. Ner. 5; Mart. 12, 2, 1; cf. Müll. Etrusk. 1, p. 296 sq.
    Hence,
  2. II. Pyrgensis, e, adj., of or belonging to Pyrgi, Pyrgan: scorta, Lucil. ap. Serv. Verg. A. 10, 184: Antistius, of Pyrgi, Cic. de Or. 2, 71, 287: publicanus, Liv. 25, 3.