noun
genus of Old World annual or biennial or perennial herbs with racemose flowers; many are considered to be weeds
• Hypernyms: ↑dilleniid dicot genus
• Member Holonyms: ↑Cruciferae, ↑family Cruciferae, ↑Brassicaceae, ↑family Brassicaceae, ↑mustard family
• Member Meronyms: ↑hedge mustard, ↑Sisymbrium officinale
Useful english dictionary. 2012.