Search Result for "aerobe": 
Wordnet 3.0

NOUN (1)

1. an organism (especially a bacterium) that requires air or free oxygen for life;


The Collaborative International Dictionary of English v.0.48:

Aerobe \Aer"*obe\, n. [See aerobies.] an organism such as a microorganism that requires oxygen for life or growth. [PJC]
WordNet (r) 3.0 (2006):

aerobe n 1: an organism (especially a bacterium) that requires air or free oxygen for life