Definition of BACKUP

noun : BACKUP

Source: WordNet 3.1

  • 1. (

    ) an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet" ;

  • 4. (

    ) (computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased" ;

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