red ball

plural red balls

1. UScountableslanguncountablegovernmentA high-profile high-priority case which draws political or media attention.

   A police-involved shooting is by definition a red ball and, by definition, a red ball requires every warm body.

   1991, David Simon, Homicide: A Year on the Killing Streets, Boston: Houghton Mifflin, →ISBN, →OL

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   The only exception to that edict was the Eighth, the French Quarter district, since any homicide at the core of the tourist area was such a potential red ball.

   2005, Eileen Dreyer, Sinners and Saints, St. Martin's Press, →ISBN, →OL

2. metonymicallyuncountableball gamesFirst-class cricket, as distinct from limited overs cricket (or "white ball". Mainly used to play tests.

   Australia is scheduled to play five red ball matches in two weeks.

   1 more example

   Or are the red-ball and white-ball games diverging to the extent that it is possible to envisage a future where they are, to all intents and purposes, different sports?

   2017 January 28, Jonathan Liew, “To cling together or drift apart? Red and white-ball cricket facing a divided future”, in The Daily Telegraph, London

3. countableuncountableUsed other than figuratively or idiomatically: see red, ball.

1. not comparablerail transportOf or related to priority freight or the trains that carry it.

   Perishable freight, carloads of package freight or merchandise, oils, etc., are designated as Red Ball freight.

   1905 August 18, “The Frisco System of Handling Time Freight”, in The Railroad Gazette, volume 39, number 7, page 158

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   A special red ball card, which is a familiar sight to every employe—the large red ball on the white card—is attached to every car of red ball freight, one on each side, by the agent at the red ball billing station. A special red ball envelope accompanies each car to its destination.

   1910 August, Chalmers L. Pancoast, “Red Ball System of Handling Freight”, in Santa Fe Employes' Magazine, volume 4, number 9, page 28

   The crack passenger trains average fifty-four miles an hour over that stretch, the "red ball" freights average twenty-seven, and the way freights eighteen miles an hour.

   1939 November, “Keeping the Iron Horse on Time”, in Popular Mechanics, volume 72, number 5, →ISSN, page 157A