I.a fountain near Mount Helicon, sacred to the Muses, and which is fabled to have been produced by a stroke of Pegasus's hoof, Ov. F. 5, 7; Sol. 7 med. (in Hor. Ep. 1, 3, 10: fons Pindaricus, and in Pers. prol. 1: fons caballinus).—
B. Hippocrēnĭdes , um, f., the Muses so named from the Hippocrene, Serv. Verg. E. 7, 21.