A dessert of ice cream served with one or more toppings, such as flavored syrup, dessert sauce, nut, whipped cream, fruit, etc. It is said to have originated in Massachusetts when a law prohibiting the sale of all soft beverages on Sunday was passed. An enterprising soda jerk combined ingredients of an ice cream soda but omitted the carbonated beverage to make a 'sundae'.
SUNDAE
Meaning of SUNDAE in English
English dictionary of cooking and food terms. Английский словарь терминов приготовления и условий питания. 2012