嬰えい児じえいじFreq.FrequencyTop 100,000Meanings1nouninfant; babyFormal or literary term for a very young baby; in everyday speech 赤ちゃん is more common.その病びょう院いんでは、嬰えい児じの健けん康こう管かん理りに力ちからを入いれている。That hospital puts effort into the health management of infants.彼かの女じょは嬰えい児じを抱だき上あげて、優やさしくあやした。She picked up the infant and gently soothed it.