a cold dessert (= a sweet dish) of ice cream covered with a sweet sauce, nuts, pieces of fruit, etc., usually served in a tall glass圣代冰淇淋（加甜汁、果仁、水果粒等）- a hot chocolate fudge sundae热巧克力软糖圣代冰淇淋
Topics Foodc2Oxford Collocations DictionarySundae is used after these nouns: See full entry Word Originlate 19th cent. (originally US): perhaps an alteration of Sunday, either because the dish was made with ice cream left over from Sunday and sold cheaply on the Monday, or because it was sold only on Sundays, a practice devised (according to some accounts) to avoid laws against working on Sundays.