1) Bacteria genus 2) Genus aerobacter 
An officially rejected generic name of bacteria. The type species is Aerobacter aerogenes. Motile organisms previously placed in this species are now placed in Enterobacter aerogenes; the nonmotile organisms have been transferred to Klebsiella pneumoniae. The species Aerobacter cloacae is now known as Enterobacter cloacae. ... Origin: aero-+ G. Bak...
(ār″o-bak´tәr) in former systems of classification, a genus of the family Enterobacteriaceae, consisting of gram-negative facultatively anaerobic motile rods; individual species have been assigned to the genus Enterobacter.
Type: Term Pronunciation: ār-ō-bak′tĕr See: Enterobacter
[n] - aerobic bacteria widely distributed in nature
aerobacter Any of a genus of bacteria normally found in the intestine.
genus Aerobacter noun aerobic bacteria widely distributed in nature
any of several short, rod-shaped, Gram-negative bacteria of the genus Aerobacter, free living in nature and also normally inhabiting the intestinal tracts of humans and other animals.