飼し育いく箱ばこしいくばこMeanings1nounrearing cage; breeding boxA container used for raising insects, small animals, or other creatures. Often used in contexts like pet keeping, research, or education.カブトムシの幼よう虫ちゅうを飼し育いく箱ばこで育そだてている。I am raising beetle larvae in a rearing cage.