root vegetable - any of various fleshy edible underground roots or tubers

cruciferous vegetable - a vegetable of the mustard family: especially mustard greens; various cabbages; broccoli; cauliflower; brussels sprouts

radish plant - a cruciferous plant of the genus Raphanus having a pungent edible root

radish plant - a cruciferous plant of the genus Raphanus having a pungent edible root

root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground

genus raphanus, Raphanus - radish

radish plant - a cruciferous plant of the genus Raphanus having a pungent edible root

isothiocyanate - a family of compounds derived from horseradish and radishes and onions and mustards; source of the hotness of those plants and preparations