frock coat
From Longman Dictionary of Contemporary EnglishRelated topics: Clothesfrock coatˌfrock ˈcoat / $ ˈ../ noun [countable] DCCa knee-length coat for men, worn in the 19th centuryExamples from the Corpusfrock coat• The more extreme designers have turned the jacket into a frock coat, emphasizing the Edwardian feel.• He was a cheery chap who wore a frock coat and a soiled black felt hat which had seen better days.• He, too, wore a black top hat, a black frock coat and black trousers.• Grant met them in a worn black frock coat and listened politely.