barnacle

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

따개비

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.
배의 선체는 따개비로 덮여 있었다.
We saw many barnacles clinging to the rocks at low tide.
썰물 때 바위에 많은 따개비가 붙어 있는 것을 보았다.