noun
any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers; widely naturalized; often noxious weeds in cultivated soil
• Syn: ↑milk thistle
• Hyponyms: ↑milkweed, ↑Sonchus oleraceus
• Member Holonyms: ↑Sonchus, ↑genus Sonchus
Useful english dictionary. 2012.