hexarchy

/ˈhɛksɑrki/
noun
  1. A group or association of six states, kingdoms, or rulers.
    • The treaty created a hexarchy of allied nations working together for trade.
    • Historians study the hexarchy that ruled parts of Britain during the early medieval period.
    • The ancient region was once divided into a hexarchy of competing city-states.
  2. Government or rule by six people or authorities.
    • In the fictional kingdom, a hexarchy of wise elders made all major decisions.
    • The constitution established a hexarchy to prevent any single leader from becoming too powerful.
    • The council operated as a hexarchy, with six members sharing equal power.