What does "pasha" mean?

Pasha: An honorary title given to officers of high rank in Turkey, as to governers of provinces, military commanders, etc. The earlier form was bashaw. [Written also pacha.] Note: There are three classes of pashas, whose rank is distinguished by the number of the horsetails borne on their standards, being one, two, or three, a pasha of three tails being the highest.

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