reef
reef /r'iːf/ (reefs)
[N-COUNT]
A reef is a long line of rocks or sand, the top of which is just above or just below the surface of the sea.
An unspoilt coral reef encloses the bay.cor|al reef (coral reefs)
[N-COUNT]
A coral reef is a long narrow mass of coral and other substances, the top of which is usually just above or just below the surface of the sea.
An unspoilt coral reef encloses the bay.
[N-COUNT]
A reef is a long line of rocks or sand, the top of which is just above or just below the surface of the sea.
An unspoilt coral reef encloses the bay.cor|al reef (coral reefs)
[N-COUNT]
A coral reef is a long narrow mass of coral and other substances, the top of which is usually just above or just below the surface of the sea.
An unspoilt coral reef encloses the bay.