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)
source: WordNet 3.0
the large log at the back of a hearth fire
source: WordNet 3.0
something kept back or saved for future use or a special purpose
source: WordNet 3.0
A large stick of wood, forming the back of a fire on the hearth.
