noun Etymology: Divehi (Indo-Aryan language of the Maldive Islands) atolu Date: 1625 a coral island consisting of a reef surrounding a lagoon
ATOLL
Meaning of ATOLL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012