Main Entry: ¹tan·dem

Pronunciation: \ˈtan-dəm\

Function: noun

Etymology: Latin, at last, at length (taken to mean “lengthwise”), from tam so; akin to Old English thæt that

Date: circa 1785

1 a (1) : a 2-seated carriage drawn by horses harnessed one before the other (2) : a team so harnessed b : tandem bicycle c : a vehicle (as a motortruck) having close-coupled pairs of axles
2 : a group of two or more arranged one behind the other or used or acting in conjunction

— in tandem 1 : in a tandem arrangement
2 : in partnership or conjunction