atoll
🇺🇸
/ˈætɔːl/
🇬🇧
/ˈætɒl/
A ring-shaped island made of coral with a lake of seawater in the center.
The Maldives is a country made up of many atolls.
몰디브는 많은 환초로 이루어진 나라입니다.