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.
Welcome. 1  Jackson County is located in the southeastern corner of Ohio in the Appalachian foothills. As of 2010, the countyâs population was 33,225. 2  Our county seat is Jackson and is named for Andrew Jackson, a hero of the War of 1812 who was subsequently elected President of the United States.