Meaning of tandem

tan•dem

1. one following or behind the other: to drive horses tandem.
2. They swam in tandem.
1. in single file:They swam in tandem.
2. in association or partnership.

1. having animals, seats, parts, etc., arranged tandem or one behind another.

1. a vehicle, as a truck, tractor, or trailer, in which a pair or pairs of axles are arranged in tandem.
2. See
3. See(def. 1).
4. a team of horses harnessed one behind the other.
5. a two-wheeled carriage with a high driver's seat, drawn by two or more horses so harnessed.
6. any of various mechanisms having a tandem arrangement.