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

Wikipedia Word definitions in Wikipedia
Pilewort is a common name for plants that were traditionally used to treat piles.( hemorrhoids ) This herb was more commonly used throughout the Tudor period in England. Pilewort may refer to Erechtites hieracifolia , or fireweed, a plant in the aster family ...

WordNet Word definitions in WordNet
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: lesser celandine , Ranunculus ficaria ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pilewort \Pile"wort`\, n. (Bot.) A plant ( Ranunculus Ficaria of Linn[ae]us) whose tuberous roots have been used in poultices as a specific for the piles. --Forsyth.

Wiktionary Word definitions in Wiktionary
n. 1 Any of various unrelated plants traditionally supposed to be effective in treating piles (hemorrhoids), especially 2 # (taxlink Erechtites hieracifolia species noshow=1), or fireweed, a plant in the aster family; 3 # ''Ficaria verna'' (formerly ''Ranunculus ...