A atoll
a group of small coral islands in the shape of a ring that encloses a lagoon
poop
A coral atoll.
A beazle is a collet of a ring, the rim which encloses the jewel and into which the jewel is set.
This is called a coral atoll.
A ring shaped coral reef is called an Atoll.
A ring shaped coral island found for from land is called an atoll.
atoll.
I believe you mean a coral atoll
an Atoll.
An atoll.
A coral atoll is a ring-shaped coral reef or island found in warm, tropical oceans. They are formed from the accumulation of coral skeletons on the rims of submerged volcanic islands over thousands of years. Atolls typically enclose a lagoon in their center.