Also called aerobic exercises.(used with a plural verb)any of various sustained exercises, as jogging, rowing, swimming, or cycling, that stimulate and strengthen the heart and lungs, thereby improving the body's utilization of oxygen.
(used with a singular verb)a physical fitness program based on such exercises: Aerobics is a good way to get your body in shape.
A system of physical conditioning to enhance circulatory and respiratory efficiency that involves vigorous, sustained exercise, such as jogging, swimming, or cycling, thereby improving the body's use of oxygen.
A program of physical fitness that involves such exercise.