pork-pie hat
noun/ˌpɔːk paɪ ˈhæt/
/ˌpɔːrk paɪ ˈhæt/
(British English)- a hat with a flat top and a brim that is turned up all the way roundTopics Clothes and Fashionc2
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pork-pie hat
Definition of pork-pie hat noun from the Oxford Advanced Learner's Dictionary