standbysupport

noun
UK /ˈstændbaɪ səˈpɔːt/
US /ˈstændbaɪ səˈpɔːrt/

A standbysupport is someone or something that stays ready to help when needed.

The backup generator acted as a standbysupport during the storm.


OTHER MEANINGS

2. A person who waits nearby to take over a job if the main person cannot.

A standbysupport waited backstage in case the lead actor got sick.

3. Extra help kept ready for an emergency.

The hospital keeps standbysupport on call during busy nights.

4. A second option that can be used if the first one fails.

The old laptop was a standbysupport when the new one crashed.