📖 WordNook

backup

noun
  1. the act of providing approval and support
    patronage
  2. a copy of a file or directory on a separate storage device
    “We made a backup in case the original was accidentally damaged or erased.”
    computer backup
  3. a musical part (vocal or instrumental) that supports or provides background for other musical parts
    support
  4. someone who takes the place of another (as when things get dangerous or difficult)
    reliever
  5. an accumulation caused by clogging or a stoppage
    “a traffic backup on the main street”