| lesser celandine | (n) perennial herb native to Europe but naturalized elsewhere having heart-shaped leaves and yellow flowers resembling buttercups; its tuberous roots have been used as a poultice to relieve piles, Syn. Ranunculus ficaria, pilewort |
| Pilewort | n. (Bot.) A plant (Ranunculus Ficaria of Linnæus) whose tuberous roots have been used in poultices as a specific for the piles. Forsyth. [ 1913 Webster ] |