What does atoll mean?
A ring-shaped coral reef or island, typically formed around a lagoon, often found in tropical waters. A coral atoll is a type of coral reef that forms a ring or horseshoe shape around a central lagoon.
Example
"The islanders lived on a small atoll in the Pacific Ocean, surrounded by crystal-clear waters and coral reefs."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.