We found 30 dictionaries that define the word mycelium:

General (19 matching dictionaries)

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

Computing (1 matching dictionary)

20. mycelium: Encyclopedia

Medicine (7 matching dictionaries)

21. mycelium: Merriam-Webster Medical Dictionary
22. Dorland's Illustrated Medical Dictionary (No longer online)
23. Mycelium: MedTerms.com Medical Dictionary
24. Medical Dictionary (No longer online)
25. online medical dictionary (No longer online)
26. mycelium: Medical dictionary
27. Mycelium: Drug Medical Dictionary

Science (1 matching dictionary)

28. Botanical Terms (No longer online)

Tech (2 matching dictionaries)

29. mycelium: Canadian Soil Information System
30. Urban Conservation Glossary (No longer online)

(Note: See mycelia as well.)

Definitions from Wiktionary (mycelium) ▸ noun:  The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground. Similar: hypha, shiro, hymenium, trama, basal tomentum, mushroom, rhizomorph, hymeniderm, gleba, fruiting body, more... Opposite: non-fungal, non-mycelial, non-hyphal Phrases: aerial mycelium, more... Adjectives: aerial, white, vegetative, fungal, true, substrate, septate, branched, secondary, dikaryotic, primary Colors:     white,     beige,     cream,     taupe,     brown, more... ▸ Words similar to mycelium ▸ Usage examples for mycelium ▸ Idioms related to mycelium ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mycelium ▸ Words that often appear near mycelium ▸ Rhymes of mycelium ▸ Invented words related to mycelium