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 opercula is as below...

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

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

Opercle :: Opercle (n.) Any one of the bony plates which support the gill covers of fishes; an opercular bone.

Preopercular :: Preopercular (n.) The preoperculum.

Pomacentroid :: Pomacentroid (a.) Pertaining to the Pomacentridae, a family of bright-colored tropical fishes having spiny opercula; -- often called coral fishes..

Suboperculum :: Subopercular (n.) The suboperculum.

Deoperculate :: Deoperculate (a.) Having the lid removed; -- said of the capsules of mosses.

Inopercular :: Inopercular (a.) Alt. of Inoperculat.

Quin :: Quin (n.) A European scallop (Pecten opercularis), used as food..

Operculated :: Operculated (a.) Closed by a lid or cover, as the capsules of the mosses..

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

Piper :: Piper (n.) A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines..

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

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

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

Interpercular :: Interpercular (n.) The interopercular bone.

Operculate :: Operculate (a.) Alt. of Operculate.

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

Multispiral :: Multispiral (a.) Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

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

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