Meaning of the word atoll in English

What does atoll mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

atoll

US /ˈæt.ɑːl/
UK /ˈæt.ɑːl/
"atoll" picture

Noun

1.

a ring-shaped coral reef or island or a string of coral islands enclosing a shallow lagoon

Example:
The divers explored the vibrant marine life around the atoll.
Many Pacific islands are formed by atolls.
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