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.

Cĭthaeron (Cĭthĕron, Aus. Idyll. 11, 32), ōnis, m., = Κιθαιρών, a mountain of Bœotia, now Elatia, sacred to Bacchus and the Muses, and famous for the death of Pentheus and Actœon, Mel. 2, 3, 4; Plin. 4, 7, 12, § 25; Verg. G. 3, 43; id. A. 4, 303; Ov. M. 2, 223; 3, 702 sq.; Sen. Oedip. 930; id. Phoen. 256; Val. Fl. 5, 81 (in all these passages only in nom.).
Gen. Cithaeronis, Prop. 3 (4), 1, 43; 3 (4), 15, 25; Liv. 31, 26, 1.
Acc. Cithaeronem, Lact. 1, 22, 15; Serv. ad Verg. A. 7, 641; 10, 163; id. G. 3, 291.