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

Wisdom does not show itself so much in precept as in life - in firmness of mind and a mastery of appetite. It teaches us to do, as well as talk, and to make our words and actions all of a color.
Lucius Annaeus Seneca