Question

What is the definition for the word aerobic

Answer 1

(of an organism or tissue) requiring the presence of air or free oxygen for life. pertaining to or caused by the presence of oxygen. of or utilizing the principles of aerobics : aerobic exercises; aerobic dances.

Answer 2

I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps