Supporting, reinforcing; (music) of or related to accompaniment
noun
(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.
(law enforcement) reinforcements
A reserve or substitute.
An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.
