1. 
[syn: aerobic, aerophilic, aerophilous]
2.  based on or using the principles of aerobics;  enhancing respiratory and circulatory efficiency; 
- Example: "aerobic dance"
- Example: "running is very aerobic"
The Collaborative International Dictionary of English v.0.48:
Aerobic \A`["e]r*o"bic\, a. (Biol.)
   Growing or thriving only in the presence of oxygen; also,
   pertaining to, or induced by, a["e]robies; as, a["e]robic
   fermentation. -- A`["e]r*o"bic*al*ly, adv.
   [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):
aerobic
    adj 1: depending on free oxygen or air; "aerobic fermentation"
           [syn: aerobic, aerophilic, aerophilous] [ant:
           anaerobic, anaerobiotic]
    2: based on or using the principles of aerobics; enhancing
       respiratory and circulatory efficiency; "aerobic dance";
       "running is very aerobic" [ant: anaerobic]