backupbag
nounUK /ˈbækʌpˌbæɡ/
US /ˈbækʌpˌbæɡ/
A backup bag is a second bag you keep ready in case your first bag gets lost or broken.
She packed a backupbag with extra clothes in case her suitcase got lost at the airport.
RELATED WORDS
OTHER MEANINGS
2. A small bag kept in a car or workplace holding spare tools or supplies.
He grabbed the backupbag from the trunk when the drill battery died.
3. A duplicate bag used by a traveler to carry essentials separately from checked luggage.
My backupbag has my passport, charger, and a toothbrush.
4. In computing, a bag-like folder or container holding copies of important files.
The backupbag on the drive stored last week's project files.
5. A spare bag carried by a hiker in case the main pack tears.
She rolled up a backupbag and clipped it to her frame.