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...

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

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

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

Operculum :: Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.

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

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..

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

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..

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

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

Suboperculum :: Subopercular (n.) The suboperculum.

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

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

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

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

Preopercular :: Preopercular (n.) The preoperculum.

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 the urnlike capsule of mosses.

Operculums :: Operculums (pl. ) of Operculu.

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

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