Tandem - Definition
tandem
adv 1: one behind the other; "ride tandem on a bicycle built for
two"; "riding horses down the path in tandem" [syn:
tandem, in tandem]
n 1: an arrangement of two or more objects or persons one behind
another
2: a bicycle with two sets of pedals and two seats [syn:
bicycle-built-for-two, tandem bicycle, tandem]