D defs.my
Entry 3 senses · 2 variants Webster, 1913

Tandem

/(tăn"dĕm)/ · Tan·dem · IPA /ˈtændəm/
01 adv. & a. One after another; -- said especially of horses harnessed and driven one before another, instead of abreast.
  1. 1.
    One after another; -- said especially of horses harnessed and driven one before another, instead of abreast.
02 n. A team of horses harnessed one before the other.
  1. 1.
    A team of horses harnessed one before the other.
  2. 2.
    A tandem bicycle or other vehicle.
Phrases & compounds
Tandem bicycle — one for two persons in which one rider sits before the other.