person 1: oh, whatever is that delicious looking berry covered in [whipped cream] that you are eating for dessert?  person 2: its a blueberry
a delicious blu-ish fruit chock full of antioxidants!  (not a drug or some other random thing, a fruit
"person 1: oh, whatever is that delicious looking berry covered in [whipped cream] that you are eating for dessert?  person 2: its a blueberry" What is the definition of "blueberry"?