Definition of Operculum
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(n.) The lid of a pitcherform leaf.
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(n.) The lid of the urnlike capsule of mosses.
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(n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
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(n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid.
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(n.) The principal opercular bone in the upper and posterior part of the gill cover.
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(n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda.
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(n.) Any lid-shaped structure closing the aperture of a tube or shell.
Synonyms of Operculum
No Synonyms Found.
Antonyms of Operculum
No Antonyms Found.
Homophones of Operculum
No Homophones Found.