乳児 にゅうじ infant (below 1 year old) #8,585 Meanings noun infant (below 1 year old); suckling baby Its kanji 乳 ニュウ · ちち、ち milk, breasts 児 ジ、ニ、ゲイ · こ、-こ、-っこ newborn babe, child, young of animals