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...

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

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

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..

Opercle :: Opercle (n.) An operculum.

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

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

Operculum :: Operculum (n.) The lid of the urnlike capsule of mosses.

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..

Operculums :: Operculums (pl. ) of Operculu.

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

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

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

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..

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

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

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

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

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

Suboperculum :: Subopercular (n.) The suboperculum.

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

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