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.
Show map of Wisconsin. Show map of the US. 1855 map of Aztalan historical site; north is to the right. Aztalan State Park is a Wisconsin state park in the Town of Aztalan, Jefferson County, Wisconsin at latitude N 43Â° 4' and longitude W 88Â° 52'. Established in 1952, it was designated a National Historic Landmark in 1964 and added to the National Register of Historic Places in 1966.