Backup - Definition
backup
n 1: an accumulation caused by clogging or a stoppage; "a
traffic backup on the main street"; "he discovered a backup
in the toilet"
2: 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" [syn: stand-in, substitute, relief, reliever,
backup, backup man, fill-in]
3: a musical part (vocal or instrumental) that supports or
provides background for other musical parts [syn:
accompaniment, musical accompaniment, backup,
support]
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" [syn: backup,
computer backup]
5: the act of providing approval and support; "his vigorous
backing of the conservatives got him in trouble with
progressives" [syn: backing, backup, championship,
patronage]