seignˈiorage or seignˈorage noun

1. Lordship
2. A right, privilege, etc, claimed by an overlord
3. An overlord's royalty on minerals
4. A percentage on minted bullion

seignˈioralty noun

Seignory

seignioˈrial, seigneuˈrial, seignoral /sānˈ or senˈ/ or signoˈrial /sin-/ adjective

seignˈiorship noun

seignˈory or seignˈiory noun

1. Feudal lordship
2. The council of an Italian city state (historical)
3. (also seigneurie or seigneury /senˈyə-rē/) a domain

grand /grã/ seigneur

1. A great lord
2. A man of aristocratic dignity and authority

Grand Seignior or Signior (historical)

The Sultan of Turkey