Ranunculus

Ra‐nun″cu‐lus (rȧ‐nŭṉ″kū̍‐lŭs), n.; pl. E. Ranunculuses (–ĕz), L. Ranunculi (–lī). [L., a little frog, a medicinal plant, perhaps crowfoot, dim. of rana a frog; cf. raccare to roar.] (Bot.) A genus of herbs, mostly with yellow flowers, including crowfoot, buttercups, and the cultivated ranunculi (R. Asiaticus, R. aconitifolius, etc.) in which the flowers are double and of various colors.