Find the word definition

Wiktionary
aspergilloma

n. A clump of fungus in a body cavity such as the lung, usually associated with the ''Aspergillus'' species.

Wikipedia
Aspergilloma

An aspergilloma, also known as a mycetoma or fungus ball, is a clump of mold which exists in a body cavity such as a paranasal sinus or an organ such as the lung. By definition, it is caused by fungi of the genus Aspergillus,.