polyarchal
/ˌpɒliˈɑːrkəl/Definitions
1. adjective
relating to or characterized by the rule of many rulers or leaders.
“The polyarchal system allowed multiple factions to hold significant power within the government.”
2. noun
a system of government in which several rulers or leaders share power and authority.
“The city’s polyarchal structure was a key factor in its ability to adapt to changing circumstances.”