Meaning of TANDEM in English

TANDEM

n. & adv.

--n.

1. a bicycle or tricycle with two or more seats one behind another.

2 a group of two persons or machines etc. with one behind or following the other.

3 a carriage driven tandem.

--adv. with two or more horses harnessed one behind another (drive tandem).

Phrases and idioms:

in tandem one behind another.

Etymology: L, at length (of time), used punningly

Oxford English vocab.      Оксфордский английский словарь.