English operculum meaning in English  •  operculum का अर्थ अंग्रेजी में

Noun

• The lid of a pitcherform leaf.
• Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
• The lid closing the aperture of various species of shells, as the common whelk. See >Illust. > of Gastropoda>.