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.

Symaethum, i, n., or Symaethus i, m., = Σύμαιθος, a river and town situated upon it on the east coast of Sicily, near Catina, Plin. 3, 8, 14, § 89; Sil. 14, 231; 9, 410; Serv. ad Verg. A. 9, 584.
Hence,

  1. A. Sȳ̆-maethĭus, a, um, adj., of or belonging to Symæthus, Symæthian: flumina, Verg. A. 9, 584: heros, i. e. Acis, son of the nymph of the Symæthus, Ov. M. 13, 879.
    As subst.: Symaethĭi, ōrum, m., the dwellers on the Symæthus, Plin. 3, 8, 14, § 91.
  2. B. Symae-thēus, a, um, adj., Symæthian: aquae, Ov. F. 4, 472.
  3. C. Symaethis, ĭdis, f., Symæthian: nympha, Ov. M. 13, 750.