coral reef

noun

Synonyms of coral reefnext
: a long line of coral that lies in warm, shallow water

Examples of coral reef in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Scientists at the University of Miami have developed an AI model that predicts when coral reefs experience heat stress — caused by rising ocean temperatures — in the hope of restoring them before deadly coral bleaching occurs, which can harm coastal regions. Rachyl Jones, semafor.com, 30 Jan. 2026 Follow stone markers along the seafloor of the 650-foot trail, witnessing friendly sea turtles and a kaleidoscope of colorful fish living amongst a healthy coral reef system. Condé Nast Traveler, 30 Jan. 2026 These are what are known as multispecies hunting groups, which octopuses form in coral reef environments. Scott Travers, Forbes.com, 29 Jan. 2026 Putting a dollar value on coral reefs also helped nonprofit The Nature Conservancy secure insurance policies on coral reefs in Mexico and Hawaii. Alex Harris, Miami Herald, 22 Jan. 2026 See All Example Sentences for coral reef

Browse Nearby Words

Cite this Entry

“Coral reef.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coral%20reef. Accessed 7 Feb. 2026.

Kids Definition

coral reef

noun
: a reef made up of corals, other organic substances, and limestone

More from Merriam-Webster on coral reef

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster