Longman Dictionary of Contemporary English homepage

barrier reef

noun
     
Related topics: Nature, Oceanography, Geography
barrier reef [countable]
DNSG a line of coral (=pink stone-like substance) separated from the shore by water

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary