Main Entry: over·lord

Pronunciation: \ˈō-vər-ˌlȯrd\

Function: noun

Date: 13th century

1 : a lord over other lords : a lord paramount
2 a : an absolute or supreme ruler b : one having great power or authority <a corporate overlord>

— over·lord·ship \-ˌship, ˌō-vər-ˈ\ noun