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Webster 1913 Edition
Mycelium
‖
My-ce′li-um
,Noun.
 [NL., fr. Gr. 
μύκησ 
a mushroom.] (Bot.) 
The white threads or filamentous growth from which a mushroom or fungus is developed; the so-called mushroom spawn. 
– My-ce′li-al 
(#)
, Adj.
Definition 2025
mycelium
mycelium
See also: mycélium
English
Noun
mycelium (plural mycelia)
- The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground.
Translations
vegetative part of a fungus