backup

  1. Noun.  A reserve or substitute.
  2. 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.
  3. Noun.  An accumulation of material that halts the flow or movement of something.
  4. Noun.  (context, law enforcement) reinforcements.
  5. Adjective.  standby, reserve or extra.
  6. Adjective.  (computing) That is intended as a backup.

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This entry was last updated on RefTopia from its source on 3/20/2012.