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sisymbrium

noun si·sym·bri·um \ sə̇ˈsimbrēəm \

Definition of sisymbrium

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

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Origin and Etymology of sisymbrium

Latin, a fragrant herb, perhaps mint, from Greek sisymbrion bergamot, watercress

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