1. A Mohammedan sovereign, specially the sovereign of the Turkish or Ottoman empire.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sustane,
• suddan,
• sustan,
• sultion,
• surten,
• salan,
• solgan,
• sultante,
• sulin,
• moultan,
• salman,
• surtan,
• surtin,
• surtain,
• gulten,
• sertan,
• subtain,
• surton,
• slgan,
• sylan

• sultanate,
• soltani,
• sultana,
• sulton.

The adjective form of the word "sultan" is "sultanic".

The plural of the "sultan" can be the "sultans".

The singular of the "sultan" can be the "sultan".