See Also: backup electricity, backup services(medicine)
backup(dictionary)
backup(dictionary)
Backup(money)
Backup line(finance)
Backup line(money)
backup rate(medicine)
Backup - Bowling(gambling)
Backup Line of Credit(money)
Backup line of credit(finance)

backup (iou)



backup noun. E20.
[from back up s.v. BACK verb.]
Backward motion of a vehicle. N. Amer. E20.
An accumulation of water, traffic, etc., behind an obstruction. N. Amer. M20.
A reserve, a stand-by or spare; support, backing; Computing (the making of) a duplicate copy of a disk, file, program, etc. Freq. attrib. M20.
Comb.: backup light a reversing light.