Associations to the word «Operculum»
Wiktionary
OPERCULUM, noun. A covering flap or lidlike structure in plants and animals, such as a gill cover
Dictionary definition
OPERCULUM, noun. 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.
Wise words
One merit of poetry few persons will deny: it says more and
in fewer words than prose.