Reef
Definition 1 of 4
Pro Tip 1/2
Environmental Significance
Reefs are vital ecosystems; mentioning reefs often brings up environmental topics or concerns. The marine biologists discussed the reef's role in coastal protection.
Pro Tip 2/2
Recreation Areas
Reefs are popular for recreational activities like diving and snorkeling, which might be implied in context. We planned a snorkeling trip to the Great Barrier Reef.