Used attributively to describe something that provides support, especially musical or financial.
Definitionen
Providing musical, financial, or other support; supporting. The singer added rich backing vocals to the track.
backinggerundium / partizip präsens Present participle of 'back' used adjectivally to indicate something moving backwards.
Definitionen
Moving backward; in the process of reversing. The backing vehicle suddenly halted when a pedestrian appeared.