Ra-nŭn'cu-lūs, n.
n.; Eng. pl. RA-NŬN'CU-LŪS-ES; Lat. pl. RA-NŬN'CU-LĪ. [Lat., a little frog, a medicinal plant, perhaps crow-foot, diminutive of rana, a frog; It. ranunculo, ranuncolo, Sp. ranunculo, Fr. renoncule.] (Bot.) A genus of plants, embracing many species, some of them beautiful flowering plants, diversified with many rich colors; crow foot; butter-cup;—so called by Pliny, because the aquatic species grow where frogs abound. Gray.