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
Oxford Collocations DictionarySundae is used after these nouns:- ice cream
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.