1. hydrus — Lewis & Short
hydrus or -os, i, m., = u(/dros,
marini,Plin. 6, 23, 26, § 98. In the hair of the Furies, of Medusa, etc., Verg. A. 7, 447; Val. Fl. 2, 195; Ov. M. 4, 800; hence poet. transf.: nam si Vergilio puer et tolerabile desit Hospitium, caderent omnes a crinibus hydri, i. e. all his poetic fire would have come to naught (referring to his description of the Furies, A. 7, 415 and 447), Juv. 7, 70.—