coral

noun

cor·​al ˈkȯr-əl 

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 

ˈkär-

adjective

Examples of coral in a Sentence

brightly colored fishes swimming among the coral

Recent Examples on the Web

Some 800 feet east of the beach at Fifth Street, 22 of Erlich’s concrete cars will soon be implanted with heat-resistent corals. —Jane Wooldridge, Miami Herald, 1 Dec. 2025

The devices themselves are small ceramic objects that house tiles on which juvenile corals settle. —Kaif Shaikh, Interesting Engineering, 1 Dec. 2025

These algae normally help baby corals settle and grow, so their loss compounds the decline. —New Atlas, 29 Nov. 2025

Research on corals, sea snails, sea urchins, mussels and fish has found microplastic pollution left them less able to cope with rising ocean temperatures and ocean acidification, both fueled by climate change. —Laura Paddison, CNN Money, 27 Nov. 2025

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

Phrases Containing coral

• brain coral
• coral bells
• coral reef
• coral snake
• elkhorn coral
• fire coral
• red coral
• staghorn coral

Rhymes for coral

• aural
• chloral
• choral
• floral
• forel
• lauryl
• loral
• moral
• quarrel
• sorel
• sorrel
• toral

Kids Definition

coral

noun

cor·​al ˈkȯr-əl 

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