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...

Operculum :: Operculum (n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle..

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

Suborbicular :: Suboperculum (n.) The lower opercular bone in fishes.

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

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

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

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

Onycha :: Onycha (n.) An ingredient of the Mosaic incense, probably the operculum of some kind of strombus..

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..

Operculums :: Operculums (pl. ) of Operculu.

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

Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

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

Opercle :: Opercle (n.) An operculum.

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

Preopercular :: Preopercular (n.) The preoperculum.

Operculigenous :: Operculigenous (a.) Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks..

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

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..

Suboperculum :: Subopercular (n.) The suboperculum.

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