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 Junction is a city in Winneshiek County, Iowa, United States. The population was 58 at the 2010 census. It is the home of Turkey Valley Community schools, which serves the nearby communities of Waucoma; Lawler; Fort Atkinson; St. Lucas and Protivin as well as its rural areas.