chieftaincy /ˈtʃiːftənsi/ noun2 •The position or period of rule of a chief.At first Matenge had hated his brother because he felt the chieftaincy should be his, and this hatred drove him to overreach himself until he was discovered in a plot to assassinate his brother. — 1969 •The area or population ruled by a chief.And it does not help that the lowermost part of Broadway was originally laid out as a footpath by the people of the Wickquasgeck chieftaincy, long before Europeans arrived. — 2009 formschieftaincies