WordNet sense 1 (radish of Japan with a long hard durable root eaten raw or cooked):

daikon, Japanese radish, Raphanus sativus longipinnatus

WordNet sense 2 (Eurasian plant widely cultivated for its edible pungent root usually eaten raw):

Raphanus sativus

WordNet sense 3 (a cruciferous plant of the genus Raphanus having a pungent edible root):

radish plant