Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of operculum is as below...

Eyestone :: Eyestone (n.) A small, lenticular, calcareous body, esp. an operculum of a small marine shell of the family Turbinidae, used to remove a foreign substance from the eye. It is put into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with it the substance..

Operculum :: Operculum (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..

Tergum :: Tergum (n.) One of the dorsal plates of the operculum of a cirriped.

Unoperculated :: Unoperculated (a.) Destitute of an operculum, or cover..

Turbo :: Turbo (n.) Any one of numerous marine gastropods of the genus Turbo or family Turbinidae, usually having a turbinate shell, pearly on the inside, and a calcareous operculum..

Opercle :: Opercle (n.) An operculum.

Rostellum :: Rostellum (n.) A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm..

Scutum :: Scutum (n.) One of the two lower valves of the operculum of a barnacle.

Oparcular :: Oparcular (a.) Of, pertaining to, or like, an operculum..

Interoperculum :: Interoperculum (n.) The postero-inferior opercular bone, in fishes..

Operculum :: Operculum (n.) The lid of a pitcherform leaf.

Preopercular :: Preopercular (a.) Situated in front of the operculum; pertaining to the preoperculum.

Opercular :: Opercular (n.) The principal opercular bone or operculum of fishes.

Praeoperculum :: Praeoperculum (n.) Same as Preoperculum.

Opercula :: Opercula (n. pl.) See Operculum.

Operculiferous :: Operculiferous (a.) Bearing an operculum.

Preopercular :: Preopercular (n.) The preoperculum.

Interpercular :: Interpercular (a.) Of or pertaining to the interoperculum.

Turritella :: Turritella (n.) Any spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum..

Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.

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