noun
: a fungus (especially Armillaria mellea ) that forms brown stringy rhizomorphs and causes destructive rot of the roots of trees (as apples or maples)
noun
: a fungus (especially Armillaria mellea ) that forms brown stringy rhizomorphs and causes destructive rot of the roots of trees (as apples or maples)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012