backuprobot
nounUK /ˈbækʌpˌrəʊbɒt/
US /ˈbækʌpˌroʊbɑːt/
A backup robot is a helper robot that takes over when the main robot cannot work.
When the first robot stopped moving, the backup robot finished the job.
RELATED WORDS
OTHER MEANINGS
2. A robot that copies and saves computer data so it is not lost.
The backup robot saved all the files before the computer crashed.
3. A second robot kept ready in case the first one breaks.
The team kept a backup robot in the lab for emergencies.
4. A robot that supports another robot by doing extra tasks.
The backup robot carried the tools while the main robot worked.