Also called knave. a playing card bearing the picture of a soldier or servant. 3. a connecting device in an electrical circuit designed for the insertion of a plug: a telephone jack. 4. (cap.) Informal. fellow; buddy; man (usu. used in addressing a stranger). 5. a. one of a set of small, six-pointed metal objects or pebbles used in the game of jacks. b. jacks, (used with a sing.
Jackson County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 20,449. Its county seat is Black River Falls. Jackson County was formed from Crawford County in 1853. It was named for President Andrew Jackson.
Jackson is the capital of and the largest city in the state of Mississippi. It is located in Hinds County on the Pearl River, which drains into the Gulf of Mexico, and it is part of the Jackson Prairie region of the state.n Jackson, shortly after midnight on June 12, 1963, Medgar Evers, civil rights activist and leader of the Mississippi chapter of the NAACP, was murdered by Byron De La Beckwith, a white supremacist.