backlog: Meaning and Definition of

back•log

1. a reserve or accumulation, as of stock, work, or business: a backlog of business orders.
2. a large log at the back of a hearth to keep up a fire. Cf. forestick.

1. to hold in reserve, as for future handling or repair.
2. to enter and acknowledge (an order) for future shipment.

1. to accumulate in a backlog: Orders are starting to backlog faster than we can process them.