A fungal disease of onions

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pinkroot \Pink"root`\, n. (Med.) The root of Spigelia Marilandica , used as a powerful vermifuge; also, that of Spigelia Anthelmia . See definition 2 (below). (Bot.) A perennial North American herb ( Spigelia Marilandica ), sometimes cultivated for its ...

Wiktionary Word definitions in Wiktionary
n. 1 A perennial North American herb ((taxlink Spigelia marilandica species noshow=1)), sometimes cultivated for its showy red blossoms. 2 An annual South American and West Indian plant ((taxlink Spigelia anthelmia species noshow=1)). 3 The root of ''Spigelia ...

WordNet Word definitions in WordNet
n. a fungal disease of onions