From Longman Dictionary of Contemporary Englishtrench coatˈtrench coat noun [countable] DCCa long raincoat with a belt
Examples from the Corpus
trench coat• It was all preparation for her dream job: a foreign correspondent, roaming the world in a trench coat.• He was wearing a trench coat, military style with wide lapels, the collar turned up, belted.• He had a black trench coat on and his right hand was deep inside the right pocket.• He carried his trench coat over his arm.• No cocktail hat, no military decorations, no trench coat actually worn in the trenches.• Check any narrow-minded seriousness at the door with your urban trench coat and get ready for an absolute annihilation of bourgeois civility. 