- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Ranunculus \Ra*nun"cu*lus\ (r[.a]*n[u^][ng]"k[-u]*l[u^]s), n.; pl. E. Ranunculuses (r[.a]*n[u^][ng]"k[-u]*l[u^]s*[e^]z), L. Ranunculi (-l[imac]). [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 (Ranunculus Asiaticus, Ranunculus aconitifolius, etc.) in which the flowers are double and of various colors. [1913 Webster]