n.
1.severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys
2.an opportunistic infection by a fungus of the genus Aspergillus
3.disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs
Idiom of the Day
on one's own time
during one's personal time, not while one is at work
The employees must make their personal phone calls on their own time.