Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

coral reef

noun

Simple Definition of coral reef

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

Full Definition of coral reef

  1. :  a long line of coral that lies in warm, shallow water

Word by Word Definitions

coralplay
  1. :  the calcareous or horny skeletal deposit produced by anthozoan or rarely hydrozoan polyps

    :  a richly red precious coral secreted by a gorgonian (genus Corallium)

    :  a polyp or polyp colony together with its membranes and skeleton

reefplay
  1. :  a part of a sail taken in or let out in regulating size

    :  reduction in sail area by reefing

  1. :  to reduce the area of (a sail) by rolling or folding a portion

    :  to lower or bring inboard (a spar) wholly or partially

    :  to reduce a sail by taking in a reef

  1. :  a chain of rocks or coral or a ridge of sand at or near the surface of water — compare atoll, barrier reef

    :  a hazardous obstruction

    :  lode, vein


CORAL REEF Defined for Kids

coral reef

noun

Definition of coral reef

  1. :  a reef composed of a large colony of corals including the stony skeletons of both living and dead corals




Seen and Heard

What made you want to look up coral reef? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez spindrift duvet kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ