We found 22 dictionaries that define the word sargassum:

General (19 matching dictionaries)

1. sargassum: Merriam-Webster
2. Sargassum, sargassum: Oxford Learner's Dictionaries
3. sargassum: American Heritage Dictionary of the English Language
4. sargassum: Collins English Dictionary
5. sargassum: Vocabulary.com
6. Sargassum, sargassum: Wordnik
7. sargassum: Wiktionary
8. sargassum: Webster's New World College Dictionary, 4th Ed.
9. sargassum: The Wordsmyth English Dictionary-Thesaurus
10. sargassum: Infoplease Dictionary
11. sargassum: Dictionary.com
12. Sargassum: Wikipedia, the Free Encyclopedia
13. Sargassum: Online Plain Text English Dictionary
14. sargassum: Webster's Revised Unabridged, 1913 Edition
15. sargassum: Rhymezone
16. Sargassum: AllWords.com Multi-Lingual Dictionary
17. sargassum: FreeDictionary.org
18. sargassum: Mnemonic Dictionary
19. sargassum: TheFreeDictionary.com

Computing (1 matching dictionary)

20. sargassum: Encyclopedia

Medicine (1 matching dictionary)

21. Medical Dictionary (No longer online)

Tech (1 matching dictionary)

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

(Note: See sargassums as well.)

Definitions from Wiktionary (sargassum) ▸ noun:  Any of many brown algae of the genus Sargassum; gulfweed Similar: gulfweed, sargasso, sargassum bacciferum, sargassum fish, seagrass, mousefish, saltwort, seaweed, oarweed, turtlegrass, more... Types: gulfweed, seaweed, kelp, algae, more... Phrases: sargassum weed, sargassum fish, genus sargassum, sargassum bacciferum, more... ▸ Words similar to sargassum ▸ Usage examples for sargassum ▸ Idioms related to sargassum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sargassum ▸ Words that often appear near sargassum ▸ Rhymes of sargassum ▸ Invented words related to sargassum