Online dictionaryOnline dictionary
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Operculum   Listen
noun
Operculum  n.  (pl. L. opercula, E. operculums)  
1.
(Bot.)
(a)
The lid of a pitcherform leaf.
(b)
The lid of the urnlike capsule of mosses.
2.
(Anat.)
(a)
Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
(b)
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.
(c)
The principal opercular bone in the upper and posterior part of the gill cover.
3.
(Zool.)
(a)
The lid closing the aperture of various species of shells, as the common whelk.
(b)
Any lid-shaped structure closing the aperture of a tube or shell.






Collaborative International Dictionary of English 0.48








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |
Add this dictionary
to your browser search bar





"Operculum" Quotes from Famous Books



... 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 ...
— Explanation of Terms Used in Entomology • John. B. Smith



Words linked to "Operculum" :   plate



Copyright © 2024 Dictionary One.com