We found 21 dictionaries that define the word barrier reef:

General (16 matching dictionaries)

1. barrier reef: Merriam-Webster
2. barrier reef: Oxford Learner's Dictionaries
3. barrier reef: American Heritage Dictionary of the English Language
4. barrier reef: Collins English Dictionary
5. barrier reef: Vocabulary.com
6. barrier reef: Wordnik
7. barrier reef: Wiktionary
8. barrier reef: The Wordsmyth English Dictionary-Thesaurus
9. barrier reef: Infoplease Dictionary
10. barrier reef: Dictionary.com
11. Barrier Reef (TV series), Barrier reef: Wikipedia, the Free Encyclopedia
12. barrier reef: Rhymezone
13. barrier reef: FreeDictionary.org
14. barrier reef: Mnemonic Dictionary
15. barrier reef: TheFreeDictionary.com
16. barrier reef: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

17. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

18. barrier reef: Encyclopedia

Science (1 matching dictionary)

19. Illustrated Glossary of Geologic Terms (No longer online)

Slang (1 matching dictionary)

20. Barrier reef: Green’s Dictionary of Slang

Tech (1 matching dictionary)

21. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See barrier_reefs as well.)

Definitions from Wiktionary (barrier reef) ▸ noun:  A reef separated from the adjacent coast by a channel or lagoon; a reef that forms a barrier between the open ocean and the waters of the shoreline. Similar: fringing reef, backreef, lagoon, shelf, bombora, reef, channel, forereef, coral reef, bag reef, more... Opposite: continental shelf, abyssal plain, open ocean Types: fringing reef, atoll, more... Phrases: Great Barrier Reef, Belize Barrier Reef, Mesoamerican Barrier Reef System, New Caledonian barrier reef, Tourism on the Great Barrier Reef, more... ▸ Words similar to barrier reef ▸ Usage examples for barrier reef ▸ Idioms related to barrier reef ▸ Wikipedia articles (New!) ▸ Words that often appear near barrier reef ▸ Rhymes of barrier reef ▸ Invented words related to barrier reef