捕ほ虫ちゅう嚢のうMeanings1nouninsectivorous sac; pitcher (of a pitcher plant)botany›Botanical term for the modified leaf structure of carnivorous plants such as pitcher plants, used to trap insects.ウツボカズラの捕ほ虫ちゅう嚢のうには消しょう化か液えきがたまっている。Digestive fluid accumulates in the pitcher of the pitcher plant.