barnacle

US /ˈbɑːr.nə.kəl/
UK /ˈbɑːr.nə.kəl/
"barnacle" picture
1.

balane, anatife

a marine crustacean with an external shell, which attaches itself permanently to a variety of surfaces including ship bottoms, rocks, and whales.

:
The ship's hull was covered in barnacles.
La coque du navire était couverte de balanes.
We saw many barnacles clinging to the rocks at low tide.
Nous avons vu de nombreuses balanes accrochées aux rochers à marée basse.