乳にゅう児じ期きMeaningsNoun1. infancy; babyhoodKanji used乳milk児kid期period (of time)Composed of乳にゅう児じinfant (below 1 year old); suckling babyNoun期きperiod; time; opportunity; chance; occasion; age; term (e.g. in office); session (e.g. of parliament); stage (e.g. of a disease); season (e.g. of a TV series)Noun