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Operculum   Listen
Operculum

noun
(pl. L. opercula, E. operculums)
1.
A hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted.






WordNet 3.0 © 2010 Princeton University








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"Operculum" Quotes from Famous Books



... the girdle is by the ordinary method of tieing[sic], or by another simple method, which consists in attaching near one end of the drawstring the operculum of a shell said to be found in the forests. At the other end of the girdle is a loop large enough to admit the operculum, which on being slipped into this loop ...
— The Manbos of Mindano - Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir • John M. Garvan

... Operculum: a lid or covering: in Diptera, the chitinous envelope covering the lower part of the muscid mouth; the labrum-epipharynx of Dimmock: the scutes covering the meso-thoracic stigmata: in Aleurodidae, the lid-like structure closing the vasiform ...
— Explanation of Terms Used in Entomology • John. B. Smith



Words linked to "Operculum" :   plate



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