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

Truthful words are not beautiful; beautiful words are not truthful. Good words are not persuasive; persuasive words are not good.
Lao-Tzu