/ Dictionary / Index A aerobacter: Meaning and Definition of Find definitions for: aer•o•bac•ter Pronunciation: (âr'ō-bak"tur), [key] — n. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerobacter (Thesaurus) aero aeroballistics Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language