/ ˈbækɪŋ; NAmE / noun
1.
[ U ] help
SYN support :
financial backing
The police gave the proposals their full backing.
2.
[ U , C ] material attached to the back of sth in order to protect it or make it stronger
3.
[ U , C , usually sing. ] (in pop songs) music that accompanies the main singer or tune :
a backing group / singer / track