1A loose belted, double-breasted raincoat in a military style.Love all the trench coats, especially the white trench coat with the subtle Burberry print on it....
He was wearing a long trench coat and an old style hat that had stopped Scott from identifying him.
They have a patent leather version of a fifties style trench coat and their own interpretation of the current high school craze.
1.1A lined or padded waterproof coat worn by soldiers.
Origin
First World War: originally referring to the type of coat worn by soldiers in the trenches.