Main Entry:bo·nus
Pronunciation:\ˈbō-nəs\
Function:noun
Etymology:Latin,literally,good — more at bounty
Date:1773
:something in addition to what is expected or strictly due:as a:money or an equivalent given in addition to an employee's usual compensation b:a premium (as of stock) given by a corporation to a purchaser of its securities,to a promoter,or to an employee c:a government payment to war veterans d:a sum in excess of salary given an athlete for signing with a team