Lewis & Short

Lăpĭtha, ae, com., and Lăpĭthes, ae, m.,

  1. I. a Lapitha; plur.: Lăpĭthae, ārum, m., = Λαπίθαι, the Lapithæ, a rude tribe of mountaineers in Thessaly, about Olympus, who fought with the Centaurs at the wedding of Pirithŏüs, king of the Lapithæ, Ov. M. 12, 261; 536; Hor. C. 1, 18, 8; 2, 12, 5; Cic. Pis. 10, 22.
    Gen. plur.: Lapithūm, Verg. A. 7, 304.
    Sing. gen.: Lapithae, Ov. M. 12, 250.
    In fem. adjectively: Lapithae genus heroinae, Prop. 2, 2, 9 (Müll. heroine); cf.: Lapithes eques, Val. Fl. 5, 516.
  2. II. Hence,
    1. A. Lăpĭthaeus, a, um, adj., of or belonging to the Lapithæ, Lapithean: gens, Ov. M. 12, 530.
    2. B. Lăpĭthēĭus, a, um, adj., of the Lapithæ: tecta, Ov. M. 12, 417: proelia, id. ib. 14, 670.
    3. C. Lăpĭ-thōnĭus, a, um, adj., of the Lapithæ: nympha, Stat. Th. 7, 297.