primary definer, n.All

A Primary definer (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠a powerful source that both makes the news and subsidizes it, handing a shrinking newsroom cheap, ready-made copy — and gaining leverage with every handout.