primarybackup
nounUK /ˈpraɪməri ˈbækʌp/
US /ˈpraɪmɛri ˈbækʌp/
A primary backup is the main extra copy of something important, kept safe in case the first one gets lost.
The teacher made a primarybackup of the class photos on a second computer.
RELATED WORDS
OTHER MEANINGS
2. The first-choice person who takes over if the main person cannot do the job.
Mia is the primarybackup for the goalie on the soccer team.
3. A main extra plan used when the usual plan fails.
Our primarybackup plan is to take the bus if the car won't start.
4. The most important saved version of a computer file kept in a second place.
Save a primarybackup of your homework on a USB stick.