1. support or help, especially financial support
2. material used to form the back or support of something
3. musical accompaniment, especially for a singer

1. present participle of back: supporting or moving backward

Examples

• The project received financial backing from several investors.
• She has the backing of the entire committee for her proposal.
• The carpet needs a rubber backing to prevent slipping.
• The singer performed with backing vocals from a choir.
• He is backing the car out of the driveway.
• The company is backing the new environmental initiative.
• The photograph was mounted on cardboard backing.
• The band provided backing music for the performance.