Wiktionary
n. an official briefing or document giving background information
WordNet
n. a press conference or interview in which a government official explains to reporters the background of an action or policy; "the secretary gave us a backgrounder on public health issues"
Usage examples of "backgrounder".
Patrice Adcock (see backgrounder file) hired him as copilot on her mission to Starlab.
When you get a chance, pull up the backgrounders on Camp Smolley and the whole Starlab business-“ “Already did, ma’am.
No, the real big worry was that Ghitsa's sharp eye had probably spied something in the backgrounder on Lesvol.
Cadet Gerswin, need to call up that backgrounder and to review the Imperial articles of quarantine.
From all the backgrounders, the comm freqs, everything I can pick up, the Newparran Christers control the ships, or most of them, and most of the government.
They were just backgrounders, like file footage, and showed the ships and the yards without any reporters standing in the way.
That cable alone was worth more money than any twelve Backgrounders could con in a cycle.