coral

noun

cor·​al ˈkȯr-əl How to pronounce coral (audio)
ˈkär-
1
a
: the calcareous or horny skeletal deposit produced by anthozoan or rarely hydrozoan polyps
especially : a richly red precious coral secreted by a gorgonian (genus Corallium)
b
: a polyp or polyp colony together with its membranes and skeleton
2
: a piece of coral and especially of red coral
3
a
: a bright reddish ovary (as of a lobster or scallop)
b
: a deep pink
coral adjective
coralloid
ˈkȯr-ə-ˌlȯid How to pronounce coral (audio)
ˈkär-
adjective

Examples of coral in a Sentence

brightly colored fishes swimming among the coral
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.
The aquarium has helped more than 3,300 trafficked animals, including corals, reptiles, fish and axolotls. — Summer Lin, Los Angeles Times, 28 Aug. 2026 Mann said that the study doesn't have a complete record of corals over the past 1,000 years, and also that his research has shown that volcanic eruptions have played more of a role than climate change in past El Niño events. — Doyle Rice, USA Today, 27 Aug. 2026 Handily, corals leave an indirect record of the temperature of the water around them in their growth bands, akin to tree rings. — Andrea Thompson, Scientific American, 27 Aug. 2026 The research relies on records of past temperature variability gleaned from living and ancient fossil corals in the Galápagos Islands. — Andrew Freedman, CNN Money, 27 Aug. 2026 See All Example Sentences for coral

Word History

Etymology

Middle English, from Anglo-French, from Latin corallium, from Greek korallion

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of coral was in the 14th century

Phrases Containing coral

Rhymes for coral

See All Rhymes for coral

Browse Nearby Words

corail
coral
coral bead
See all Nearby Words

Cite this Entry

“Coral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coral. Accessed 1 Sep. 2026.

Copy Citation

Kids Definition

coral

noun
cor·​al ˈkȯr-əl How to pronounce coral (audio)
ˈkär-
1
a
: the stony or horny deposit that is composed of the skeletons of various polyps
especially : a richly red coral used in jewelry
b
: a polyp or polyp colony together with its membranes and skeleton
2
: a deep pink
coral adjective

More from Merriam-Webster on coral

Britannica.com: Encyclopedia article about coral

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!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words
See More

Popular in Wordplay

See More

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All