We found 39 dictionaries that define the word lagoon:

General (27 matching dictionaries)

1. lagoon: Longman Dictionary of Contemporary English
2. lagoon: Merriam-Webster
3. lagoon: Oxford Learner's Dictionaries
4. lagoon: American Heritage Dictionary of the English Language
5. lagoon: Collins English Dictionary
6. lagoon: Vocabulary.com
7. Lagoon, lagoon: Wordnik
8. lagoon: Cambridge Advanced Learner's Dictionary
9. lagoon: Wiktionary
10. lagoon: Webster's New World College Dictionary, 4th Ed.
11. lagoon: The Wordsmyth English Dictionary-Thesaurus
12. lagoon: Infoplease Dictionary
13. lagoon: Dictionary.com
14. lagoon: Online Etymology Dictionary
15. lagoon: Cambridge Essential American English Dictionary
16. Lagoon (amusement park), Lagoon (band), Lagoon (disambiguation), Lagoon (novel), Lagoon (park), Lagoon (video game), Lagoon, The Lagoon: Wikipedia, the Free Encyclopedia
17. Lagoon: Online Plain Text English Dictionary
18. lagoon: Webster's Revised Unabridged, 1913 Edition
19. lagoon: Rhymezone
20. Lagoon: AllWords.com Multi-Lingual Dictionary
21. lagoon: Webster's 1828 Dictionary
22. Lagoon: Dictionary of Phrase and Fable (1898)
23. lagoon: FreeDictionary.org
24. lagoon: Mnemonic Dictionary
25. lagoon: TheFreeDictionary.com

Business (1 matching dictionary)

26. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

27. lagoon: Encyclopedia

Medicine (1 matching dictionary)

28. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

29. Brilliant Dream Dictionary (No longer online)

Science (2 matching dictionaries)

30. Bird On! (No longer online)
31. Botanical Terms (No longer online)

Slang (1 matching dictionary)

32. Lagoon: Urban Dictionary

Sports (1 matching dictionary)

33. Lagoon: BEACH-NET! (fishing)

Tech (4 matching dictionaries)

34. Lake and Water Word Glossary (No longer online)
35. Glossary of Energy Terms (No longer online)
36. SeaTalk Dictionary of English Nautical Language (No longer online)
37. Glossary of Water Resource Terms (No longer online)

(Note: See lagoonal as well.)

Definitions from Wiktionary ( ) ▸ noun:  A shallow body of water separated from deeper sea by a bar. Similar: Laguna, lagune, liman, barrier reef, lido, shoal, shallow, Inland Sea, shore, lake, more... Opposite: ocean Types: saltwater, freshwater, bay, estuary, fjord, inlet, cove, gulf, sound, more... Phrases: Blue Lagoon, Aerated lagoon, Lagoon Nebula, sewage lagoon, Anaerobic lagoon, more... Adjectives: shallow, large, small, coastal, great, blue, central, wide, venetian, deep, broad Colors:     turquoise,     aqua,     teal,     seafoam,     aquamarine, more... ▸ Word origin ▸ Words similar to lagoon ▸ Usage examples for lagoon ▸ Idioms related to lagoon ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lagoon ▸ Words that often appear near lagoon ▸ Rhymes of lagoon ▸ Invented words related to lagoon