1. a press conference or interview in which a government official explains to reporters the background of an action or policy; - Example: "the secretary gave us a backgrounder on public health issues"
WordNet (r) 3.0 (2006):
backgrounder
n 1: 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"