Definition of "newshound"

I recently received a firsthand report from an old friend — John A. Keel — who until last year was as skeptical a newshound as I have known.

1967, Ivan Terence Sanderson, Uninvited Visitors

"You could, of course, have a prepared statement and when a newshound knocked at the door you could slide it out to him," said the journalist.

1977, New York Magazine

"I've always been a newshound and I was glued to the TV set on November 22," he recalled.

2007, David Talbot, Brothers: The Hidden History of the Kennedy Years

The [Washington] Post's proprietor through those turbulent [Watergate] days, Katharine Graham, held a double place in Washington’s hierarchy: at once regal Georgetown hostess and scrappy newshound, ready to hold the establishment to account.

2013 August 10, Lexington, “Keeping the mighty honest”, in The Economist, volume 408, number 8848