JLPT N1 Vocabulary 生育 (seiiku) growth, development, breeding JLPT N1 Learning Done Flashcards Recall mode Meaning 生育 (せいいく, seiiku) is a JLPT N1 vocabulary word meaning “growth, development, breeding”. Kanji in this word 生 life 育 bring up ← Previousソックス All N1 vocabulary Next →びり