a bacillus (Klebsiella pneumoniae) associated with one form of pneumonia
See pneumobacillus in American Heritage Dictionary 4
(no͞oˌmō-bə-sĭlˈəs, nyo͞oˌ-)
nounpl.pneu·mo·ba·cil·li(-sĭlˈīˌ)
A nonmotile, gram-negative bacterium (Klebsiella pneumoniae) that causes a severe form of pneumonia and is associated with other respiratory infections.