Webster's Revised Unabridged Dictionary · 1913

Mirza

Mirza , noun

[Per. mīrzā, abbrev. from mīrzādeh son of the prince; mīr prince (Arabic amīr, emīr) + zādeh son.]

The common title of honor in Persia, prefixed to the surname of an individual. When appended to the surname, it signifies Prince.