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

The chief difference between words and deeds is that words are always intended for men for their approbation, but deeds can be done only for God.
Leo Tolstoy