- one following or behind the other: to drive horses tandem.
- having animals, seats, parts, etc., arranged tandem or one behind another.
- a vehicle, as a truck, tractor, or trailer, in which a pair or pairs of axles are arranged in tandem.
- tandem bicycle.
- tandem trailer (def. 1).
- a team of horses harnessed one behind the other.
- a two-wheeled carriage with a high driver's seat, drawn by two or more horses so harnessed.
- any of various mechanisms having a tandem arrangement.
- in tandem,
- in single file: They swam in tandem.
- in association or partnership.
- a bicycle with two sets of pedals and two saddles, arranged one behind the other for two riders
- a two-wheeled carriage drawn by two horses harnessed one behind the other
- a team of two horses so harnessed
- any arrangement of two things in which one is placed behind the other
- together or in conjunction
- used as, used in, or routed through an intermediate automatic telephone exchange
- one behind the other