backup   (TTS Sound)

The noun backup has 5 senses

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


• stand-in, substitute, relief, reliever, backup, backup man, fill-in -- (someone who takes the place of another (as when things get dangerous or difficult); "the star had a stand-in for dangerous scenes"; "we need extra employees for summer fill-ins")


• accompaniment, musical accompaniment, backup, support -- (a musical part (vocal or instrumental) that supports or provides background for other musical parts)


• backup, computer backup -- ((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")


• backing, backup, championship, patronage -- (the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives")