bey

noun, plural beys.

1. a provincial governor in the Ottoman Empire.
2. (formerly) a title of respect for Turkish dignitaries.
3. (formerly) the title of the native ruler of Tunis or Tunisia.

noun

1. (in the Ottoman Empire) a title given to senior officers, provincial governors, certain other officials or nobles, and (sometimes) Europeans
2. (in modern Turkey) a title of address, corresponding to Mr