1) Exclusively Anglo word 2) Word with Anglo-Saxon origins 
An item kept available to replace an item which fails to perform satisfactorily.
(1) When bond yields rise and prices fall, the market is said to back up. (2) An investor who swaps out of one security into another of shorter current maturity is said to back up.
To print on the second side of a sheet already printed on one side. Such printing is called a backup.
(1) When bond yields and prices fall, the market is said to back-up. (2) When an investor swaps out of one security into another of shorter current maturity he is said to back up. 
A copy of data for short-term storage as an assurance against loss of master data. The process of producing a back-up copy.
To print on the reverse side of a printed sheet.
(1) When bond yields rise and prices fall, the market is said to backup. (2) An investor who swaps o
to hold one section of an object such as pipe while another section is being screwed into or out of it. 
Back-up is Australian slang for a second helping of food.
[v] - move backwards from a certain position 2. [v] - make a copy of (a computer file) esp. for storage in another place as a security cop
1. To print on the second side of a sheet already printed on one side.
back off verb move backwards from a certain position; `The bully had to back down`
In computing, a copy file that is transferred to another medium, usually a CD-ROM, DVD or memory stick. The purpose of this is to have available a copy of a file that can be restored in case of a fault in the system or the file itself. Back-up files are also created by many applications (with the extension .BAC or .BAK); a version is th...