n. 1 hist. a Muslim official or governor under the Mughal empire. 2 (formerly) a conspicuously wealthy person, esp. one returned from India with a fortune. Etymology: Port. nababo or Sp. nabab, f. Urdu (as NAWAB)
Nabob Na"bob (n[=a]"b[o^]b), n. [Hind. naw[=a]b, from Ar. naw[=a]b, pl. of n[=a]["i]b a vicegerent, governor. Cf Nawab.] 1. A deputy or viceroy in India; a governor of a province of the ancient Mogul empire. 2. One who returns to Europe from the East with immense riches: hence, any man of great wealth. `` A bilious old nabob.'' --Macaulay.
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