backupwatch
nounUK /ˈbækʌpwɒtʃ/
US /ˈbækʌpwɑːtʃ/
A backupwatch is a special watch that helps keep an extra eye on things so you stay safe.
The lifeguard wore a backupwatch to make sure everyone at the pool was okay.
OTHER MEANINGS
2. A second watch kept ready in case the first one stops working.
He packed a backupwatch in his bag before the long hike.
3. A person who watches over something as extra help.
The teacher asked Mia to be a backupwatch during the field trip.
4. A device that keeps a copy of information safe.
The computer's backupwatch saved all the photos when the screen went dark.