We found 34 dictionaries that define the word lighthouse:

General (27 matching dictionaries)

1. lighthouse: Longman Dictionary of Contemporary English
2. lighthouse: Oxford Learner's Dictionaries
3. lighthouse: American Heritage Dictionary of the English Language
4. lighthouse: Collins English Dictionary
5. lighthouse: Vocabulary.com
6. Lighthouse, lighthouse: Wordnik
7. lighthouse: Cambridge Advanced Learner's Dictionary
8. Lighthouse: InfoVisual Visual Dictionary
9. lighthouse: Wiktionary
10. lighthouse: Webster's New World College Dictionary, 4th Ed.
11. lighthouse: The Wordsmyth English Dictionary-Thesaurus
12. lighthouse: Infoplease Dictionary
13. Lighthouse, lighthouse: Dictionary.com
14. lighthouse: Cambridge Essential American English Dictionary
15. Lighthouse (David Crosby album), Lighthouse (G.R.L. song), Lighthouse (Iamthemorning album), Lighthouse (Lost), Lighthouse (Poole), Lighthouse (Westlife song), Lighthouse (band), Lighthouse (disambiguation), Lighthouse (film), Lighthouse (iamthemorning album), Lighthouse, The Lighthouse (Ana da Silva album), The Lighthouse (Glasgow), The Lighthouse (How I Met Your Mother), The Lighthouse (James novel), The Lighthouse (Moore novel), The Lighthouse (Poole), The Lighthouse (film), The Lighthouse (opera), The Lighthouse: Wikipedia, the Free Encyclopedia
16. Lighthouse: Online Plain Text English Dictionary
17. lighthouse: Webster's Revised Unabridged, 1913 Edition
18. lighthouse: Rhymezone
19. Lighthouse: AllWords.com Multi-Lingual Dictionary
20. Lighthouse: Dictionary of Phrase and Fable (1898)
21. lighthouse: FreeDictionary.org
22. lighthouse: Mnemonic Dictionary
23. lighthouse: TheFreeDictionary.com
24. lighthouse: Wikimedia Commons US English Pronunciations
25. lighthouse: Merriam-Webster

Computing (1 matching dictionary)

26. lighthouse: Encyclopedia

Miscellaneous (2 matching dictionaries)

27. Encyclopedia of Graphic Symbols (No longer online)
28. Brilliant Dream Dictionary (No longer online)

Science (1 matching dictionary)

29. lighthouse: LITTLE EXPLORERS(TM) Picture Dictionary

Slang (2 matching dictionaries)

30. lighthouse: Green’s Dictionary of Slang
31. lighthouse: Urban Dictionary

Tech (1 matching dictionary)

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

(Note: See lighthouses as well.)

Definitions from Wiktionary ( ) ▸ noun:  A tower or other structure exhibiting a light or lights to warn or guide sailors. Similar: pharos, beacon, beacon light, light house, lightship, leading light, range light, lantern, lamp room, fire lookout tower, more... Opposite: beacon Types: Fresnel lens, catoptric, dioptric, rotating beam, flashing light, stationary light, more... Phrases: lighthouse keeper, lighthouse keepers, lighthouse point, Eddystone Lighthouse, Barnegat Lighthouse, more... Adjectives: old, first, new, white, famous, tall, little, great, small, present, distant Colors:     red,     white,     blue,     gray,     black, more... ▸ Words similar to lighthouse ▸ Usage examples for lighthouse ▸ Idioms related to lighthouse ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lighthouse ▸ Words that often appear near lighthouse ▸ Rhymes of lighthouse ▸ Invented words related to lighthouse