DICT.TW Dictionary Taiwan

 Tan·dem, n.
 1. A team of horses harnessed one before the other. “He drove tandems.”
 2. A tandem bicycle or other vehicle.
 Tandem bicycle or  Tandem tricycle, one for two persons in which one rider sits before the other.
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 tandem bicycle
      n : a bicycle with two sets of pedals and two seats [syn: bicycle-built-for-two,
           tandem]