Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Tărentum, i, n. (poet. collat. form Tărentus, i, m., Sil. 12, 434; Sid. Carm. 5, 430), = Τάρας, a town of Lower Italy, founded by the Spartan Parthenians, now Taranto, Mel. 2, 4, 8; Flor. 1, 18; Cic. Sen. 4, 11 sq.; id. Brut. 18, 72; Hor. C. 3, 5, 56; id. S. 2, 4, 34; Ov. M. 15, 50 al.
Hence, Tărentīnus, a, um, adj., of or belonging to Tarentum, Tarentine: juventus, Liv. 24, 13, 2: juvenes, id. 25, 8, 3: sinus, Mel. 2, 4, 8: portus, Plin. 3, 11, 16, § 101: ager, Varr. R. R. 1, 14, 4: lanae, id. ib. 2, 2, 18; cf. oves, Col. 7, 2, 3; 7, 4, 1: castaneae, Plin. 15, 23, 25, § 93: sal, id. 31, 7, 41, § 84: purpura, Nep. ap. Plin. 9, 39, 63, § 137; cf. venenum, Hor. Ep. 2, 1, 207.
As subst.: Tărentīni, ōrum, m., the inhabitants of Tarentum, the Tarentines, Cic. Arch. 3, 5; id. Verr. 2, 4, 60, § 135; Liv. 8, 27, 2; 25, 7, 10; Just. 3, 4, 11; 20, 1, 15.