operculumWiktionary 原文英/əʊˈpɜː.kjʊ.ləm/美/oʊˈpɝ.kjə.ləm/词源链拉丁语Latin约前 75–公元 3 世纪operculum↓ 借入英语Englishoperculum释义名词noun1(zoology) A covering flap in animals and insects, such as a gill cover or the lid of nits.2(botany) The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores