夏なつ蚕ごなつごMeanings1nounsummer silkwormsRefers to silkworms raised in the summer season, as opposed to spring or autumn silkworms. A specialized term in sericulture.夏なつ蚕ごは春はる蚕ごより繭まゆが小ちいさいことが多おおい。Summer silkworms often produce smaller cocoons than spring silkworms.