Backup meaning

băkŭp
(bowling) A ball that follows a path opposite to that of a hook.
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An overflow or accumulation caused by clogging or by a stoppage.

A backup in the sink; a backup of traffic at the drawbridge.

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Extra; standby.

A backup pilot.

adjective
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Standing by as an alternate or auxiliary.

A backup pilot.

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Supporting.

A backup effort.

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Of or having to do with the backing up of computer data, files, etc.
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The act or result of backing up.
  • An accumulation because of a stoppage.
  • A support or help; specif., a person or thing available for service on an emergency basis or as a substitute.
  • In jazz and popular music, musical accompaniment, as that provided by a singer or instrumentalist; also, such a singer or instrumentalist.
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(1) A duplicate copy of data or of an entire storage drive on a separate storage medium. "Backup" is the noun; "back up" is the verb. See backup software, backup types, backup storage, copy data, backup and restore, disaster recovery and LAN-free backup.
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If the goalkeeper is injured, we have a backup.

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(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.

After the power failure, we had to restore the database from backup.

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An accumulation of material that halts the flow or movement of something.

The blockage caused a backup in the plumbing.

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(law enforcement) Reinforcements.

He's got a gun - you better send for backup.

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I am only a backup player.

adjective
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(computing) That is intended as a backup.

Make a backup copy of that file.

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Alternative spelling of backup.
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Alternative spelling of backup.
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Origin of backup