Wiktionary
vb. (present participle of backstop English)
Usage examples of "backstopping".
Wendy was trying out for a "professional" emergency services position and Elgars was backstopping her training.
They, in turn, were still getting information from forward deployed sensors and surviving personnel and he could see the first wave of the Posleen pouring into the Gap, with the Lampreys and C-Decs backstopping them.
He heard other bullets whiz past and saw them chip bits and pieces off the Galbro wall backstopping him.
Or one of the bogus Trolls had seen her, or perhaps there'd been a second search team backstopping the first - it didn't matter how: she'd been caught, and Mike had to do something.
He's in charge of the military-civilian liaison office in France that's supposedly been backstopping Interior Ministry Forces on rounding up France's Islamics.
That's why we've been backstopping the Spirochaetum encaustum project with the so-called SE-slay.
It was after six when Ellie finished her briefing of the State Department's `Tiger Team" that was backstopping the American negotiators in Paris.