grand signior
/ɡrand siːnˈjɔː/(also grand seigneur, grand seignior)
noun
1With the. Chiefly with capital initials. The Ottoman Sultan. Now historical.
2A great noble; a man whose rank or position allows him to command others.
- In later use more commonly as grand seigneur..
Origin
Late 16th century. Probably partly from Italian gransignore;.