Meaning of Operculum



English: Operculum
Bangla:
Hindi:
Type: Unknown / অজানা / अज्ञात
Synonym:
Antonym:


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Definition: 1

Botany, Zoology. a part or organ serving as a lid or cover, as a covering flap on a seed vessel.

Definition: 2

Zoology. the gill cover of fishes and amphibians. (in many gastropods) a horny plate that closes the opening of the shell when the animal is retracted.

Definition: 3

(zoology) the hard bony flap covering the gill slits in fishes the bony plate in certain gastropods covering the opening of the shell when the body is withdrawn

Definition: 4

(botany) the covering of the spore-bearing capsule of a moss

Definition: 5

(biology) any other covering or lid in various organisms