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...

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

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

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

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

Opercle :: Opercle (n.) An operculum.

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

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.

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

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..

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

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

Preopercular :: Preopercular (n.) The preoperculum.

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

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..

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

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

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

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

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

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