perquisite

noun3

1. •
   [in the plural] Any monetary or other incidental benefit beyond salary.

   • The perquisites of this job include health insurance and a performance bonus.
2. •
   A gratuity.

   • After the wonderful service that evening he didn’t hesitate in laying a substantial perquisite on the table.
3. •
   A privilege or possession held or claimed exclusively by a certain person, group or class.

   • Private jets and motor yachts are perquisites of the rich.