Source : Webster's Revised Unabridged Dictionary (1913)

Perquisite \Per"qui*site\, n. [L. perquisitum, fr. perquisitus,
   p. p. of perquirere to ask for diligently; per + quaerere to
   seek. See {Per-}, and {Quest}.]
   1. Something gained from a place or employment over and above
      the ordinary salary or fixed wages for services rendered;
      especially, a fee allowed by law to an officer for a
      specific service.

            The pillage of a place taken by storm was regarded
            as the perquisite of the soldiers.    --Prescott.

            The best perquisites of a place are the advantages
            it gaves a man of doing good.         --Addison.

   2. pl. (Law) Things gotten by a man's own industry, or
      purchased with his own money, as opposed to things which
      come to him by descent. --Mozley & W.

Source : WordNet®

perquisite
     n 1: an incidental benefit awarded for certain types of
          employment (especially if it is regarded as a right); "a
          limousine is one of the fringe benefits of the job"
          [syn: {fringe benefit}, {perk}]
     2: a right reserved exclusively by a particular person or group
        (especially a hereditary or official right); "suffrage was
        the prerogative of white adult males" [syn: {prerogative},
         {privilege}, {exclusive right}]