Aerobics

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aerobics \Aer*o"bics\, n. pl., but sing. or pl. in usage
     1. physical exercises performed in a sustained and strenuous
        fashion designed to cause a temporary increase in
        respiration rate and heart rate, such a running, swimming,
        walking, or calisthenics. Calisthenic sessions in groups,
        performed by following a leader in moving to a rhythmic


        musical accompaniment, are a popular form of aerobics.
        [PJC.]
  
     2. a system of physical conditioning relying largely on
        aerobics exercises.
        [PJC.]

From WordNet (r) 2.0 [wn]:

  aerobics
       n : exercise that increases the need for oxygen [syn: {aerobic
           exercise}]