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

Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.
Baruch Spinoza