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...

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

Opercle :: Opercle (n.) An operculum.

Paucispiral :: Paucispiral (a.) Having few spirals, or whorls; as, a paucispiral operculum or shell..

Operculated :: Operculated (a.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes..

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..

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..

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

Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.

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..

Operculums :: Operculums (pl. ) of Operculu.

Inoperculate :: Inoperculate (a.) Having no operculum; -- said of certain gastropod shells.

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

Nucleus :: Nucleus (n.) The central part around which additional growths are added, as of an operculum..

Preoperculum :: Preoperculum (n.) The anterior opercular bone in fishes.

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

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..

Suboperculum :: Subopercular (n.) The suboperculum.

Preopercular :: Preopercular (n.) The preoperculum.

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

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

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