Gilgal = "a wheel, rolling"

 1) the first site of an Israelite camp west of the Jordan, east of
    Jericho, here Samuel was judge, and Saul was made king; later used
    for illicit worship
 2) dwelling place of prophets in northern Israel about four miles
    (7 km) from Shiloh and Bethel
 3) a region conquered by Joshua, site unsure