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...

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

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

Suboperculum :: Subopercular (n.) The suboperculum.

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

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..

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

Operculums :: Operculums (pl. ) of Operculu.

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

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

Opercle :: Opercle (n.) An operculum.

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..

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

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

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 lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

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

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

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

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

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