Word:

Operculum

O`per´cu`lum
n.1.(Bot.) The lid of a pitcherform leaf.
2.(Anat.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
3.(Zool.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda.
Noun1.Operculumoperculum - a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
plate
Browse
Operative
operative field
Operatively
Operator
Operator Control Language
operator gene
operator overloading
Operatory
Opercle
Opercula
Opercular
Operculate
operculated
Operculiferous
Operculiform
Operculigenous
-- Operculum --
Operetta
operon
Operose
operoseness
Operosity
Operous
Opertaneous
Opetide
Ophelic
Opheodrys
Opheodrys aestivus
Opheodrys vernalis
Ophicleide
Ophidia
Ophidian
Ophidiidae
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