1. the vernacular name of a number of herbaceous plants, generally pertaining to the family Brassicaceae (with some exceptions), including

a. Amaranthus albus

b. Armoracia rusticana

c. Brassica nigra (balck mustard)

d. Capsella bursa-pastoris

e. Diplotaxis spp.

f. Eruca vesicaria

g. Heliotropium europaeum

h. Raphanus raphanistrum

i. Sisymbrium officinale

j. Sinapis alba