English

Definition of sundae noun from the Oxford Advanced Learner's Dictionary

 

sundae

 noun
noun
BrE BrE//ˈsʌndeɪ//
 
; NAmE NAmE//ˈsʌndeɪ//
 
; BrE BrE//ˈsʌndi//
 
; NAmE NAmE//ˈsʌndi//
 
Sweets and desserts
 
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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 a hot chocolate fudge sundae See related entries: Sweets and desserts Word Origin late 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.
See the Oxford Advanced American Dictionary entry: sundae