Main entry: backlog
Definition: an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)
Main entry: reserve, backlog, stockpile
Definition: something kept back or saved for future use or a special purpose
Main entry: backlog
Definition: the large log at the back of a hearth fire
Main entry: backlog
Definition: accumulate and create a backlog