0 the process of sending people bills asking them to pay money owed:
1 information, especially about a performance:
2 the process of sending someone a document asking them to pay for goods or services that they have received:
Vivian quit her job in the billing department.
an electronic billing system
3 the value of sales by a company during a particular period:
4 the way in which something is advertised or described:
billing as sth She has secured a billing as the "top businesswoman of the year".
