Dos-à-dos /(?)/

Dos·-à-dos

Dos-à-dos

adv.
  1. Back to back; as, to sit dos-à-dos in a dogcart; to dance dos-à-dos, or so that two dancers move forward and pass back to back.

Dos-à-dos

n.
  1. A sofa, open carriage, or the like, so constructed that the occupants sit back to back.