any plant belonging to the genus Brassica, of the mustard family, including many economically important vegetables, as cabbage, kale, broccoli, cauliflower, turnip, and mustard.
Origin
1825-35; < Neo-Latin,Latin: cabbage
British Dictionary definitions for brassica
brassica
/ˈbræsɪkə/
noun
1.
any plant of the genus Brassica, such as cabbage, rape, turnip, and mustard: family Brassicaceae (crucifers)