nounhydrŏgĕronHYDROGERON☆ KeepMeaninga plantLewis & Short 1879ModernAs printed, 1879HYDROGERONLEWIS & SHORTHYDROGERONhydrŏgĕron, ontis, m., = ὑδρογέρων, I. a plant, called in pure Lat. senecio, groundsel, App. Herb. 75.Read the whole entry