sisymbrium
noun
si·sym·bri·um
sə̇ˈsimbrēəm
1
capitalized : a genus of annual or biennial herbs (family Cruciferae) having a pubescence of simple unbranched hairs, lyrate pinnatifid leaves, and terete stems and comprising the hedge mustards see descurainia
2
plural -s : any plant of the genus Sisymbrium
Word History
Etymology
Latin, a fragrant herb, perhaps mint, from Greek sisymbrion bergamot, watercress