Hydromel definitions Webster's 1828 Dictionary HY'DROMEL, n. [Gr. water ... honey diluted in water. Before fermentation, it is called simple hydromel; after fermentation, it is called vinous hydromel or mead. WordNet (r) 3.0 (2005) n 1: honey ... in water; becomes mead when fermented Webster's 1913 Dictionary Hydromel Hy"dro*mel, n. [L. hydromel, hydromeli, Gr. ?; ? water + ? honey: cf. F. hydromel.] A liquor consisting of honey diluted in water, and ...