WordNet (r) 3.0 (2006):

aspergillosis
    n 1: severe respiratory disease of birds that takes the form of
         an acute rapidly fatal pneumonia in young chickens and
         turkeys [syn: aspergillosis, brooder pneumonia]
    2: an opportunistic infection by a fungus of the genus
       Aspergillus; characterized by inflammation and lesions of the
       ear and other organs
    3: disease especially in agricultural workers caused by
       inhalation of Aspergillus spores causing lumps in skin and
       ears and respiratory organs