carrot
car·rot
 /ˈkerət/  noun  ,  pl   -rots
  1 : the long orange root of a plant that is eaten as a vegetable
   [  count  ] She chopped some carrots for the soup.
   [  noncount  ] He added some grated carrot to the soup.
  2 [  count  ] informal : something that is offered as a reward or advantage to persuade a person to do something
   The company offered a carrot in the form of additional vacation time to workers who met their deadlines.
  ◇ This sense of carrot is often contrasted with stick, which suggests a punishment for not doing something.
   He'll have to choose between the carrot and the stick.
   The administration was criticized for its carrot-and-stick approach to foreign policy.