hypha
noun
hy·pha ˈhī-fə 
plural hyphae ˈhī-(ˌ)fē
: one of the threads that make up the mycelium of a fungus, increase by apical growth, and are transversely septate or nonseptate
hyphal
ˈhī-fəl
adjective 
Word History
Etymology
New Latin, from Greek hyphē web; akin to Greek hyphos web — more at weave
First Known Use
1866, in the meaning defined above
Kids Definition
hypha
noun
hy·pha ˈhī-fə
plural hyphae
-ˌfē
: one of the fine threads that make up the body of a fungus
Medical Definition
hypha
noun
hy·pha ˈhī-fə
plural hyphae -(ˌ)fē
: one of the threads that make up the mycelium of a fungus, increase by apical growth, and are coenocytic or transversely septate