JLPT N1 Vocabulary 球根 (kyuukon) (plant) bulb JLPT N1 Learning Done Flashcards Recall mode Meaning 球根 (きゅうこん, kyuukon) is a JLPT N1 vocabulary word meaning “(plant) bulb”. Kanji in this word 球 ball 根 root ← Previousお願いします All N1 vocabulary Next →タイマー