ぬまだいこん 沼大根 LinksSentence search for 沼大根Sentence search for ぬまだいこんSentence search for ヌマダイコンKanji details for 沼, 大 and 根Edit in JMdict Noun1. Adenostemma lavenia (species of flowering plant)Usually written using kana aloneOther formsヌマダイコン Discussions Log in to talk about this word.