Ranúnculus, culi, pe cor. Diminutiuum. Ci. A little frog. Ranuncúlus, herba. Pli. Vide BATRACHIVM.
Lewis and Short: Latin dictionary
rānuncŭlus, i, m.dim. [rana]. I.Lit., a little frog, a tadpole, porwigle, Cic. Div. 1, 9, 15.—II.Transf., jocosely, of the inhabitants of Ulubrae (as residing in the neighborhood of marshes), Cic. Fam. 7, 18, 3.—III.A medicinal plant, called also batrachion, perh. crowfoot, ranunculus, Plin. 25, 13, 109, 172; Tert. Spect. 27.