English

Definition of Philly cheesesteak noun from the Oxford Advanced Learner's Dictionary

 

Philly cheesesteak

 noun
noun
BrE
 
; NAmE
 
 
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a sandwich made with a filling of thinly sliced grilled beef, melted cheese and, often, fried onions in a long bread roll. They were first made in Philadelphia in the 1930s.