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.

portōrĭum (dat. plur. PORTORIEIS, Plebisc. Thermens ap. Orell. 3673), ĭi, n. [root por, whence porto, portitor, portus, that belongs to carrying or conveying; hence],

  1. I. A tax, toll, duty, impost paid on goods imported or exported: portorium dare, Lucil. ap. Non. 37, 20; Cic. Verr. 2, 2, 72, § 176; 2, 2, 75, § 185; id. Font. 5, 19; id. Pis. 36, 87; Caes. B. G. 1, 18; 3, 1; Liv. 39, 24; Plaut. Trin. 4, 4, 15; Caecil. ap. Gell. 15, 14, 5; Dig. 19, 2, 60 fin.; cf.: ego pol istum portitorem privabo portorio, Plaut. As. 1, 3, 7: portorium circumvectionis, a tax paid for the right of hawking goods about the country, a peddler’s tax, Cic. Att. 2, 16, 4.
  2. * II. Fare, freight, = naulum: Charon expetens portorium, App. M. 6, p. 180, 28.