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
call in (something) or call (something) in
to collect something for payment, to withdraw something from circulation
The bank decided to call in the business loan.