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...

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

Preopercular :: Preopercular (n.) The preoperculum.

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

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

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

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.

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

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

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

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

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

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

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

Operculum :: Operculum (n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid..

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..

Operculums :: Operculums (pl. ) of Operculu.

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

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..

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

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