1) Attire for Columbo 2) Carmen Sandiego cover-up 3) Spade suit 
A trench coat or trenchcoat is a raincoat made of waterproof heavy-duty cotton gabardine drill, or leather, or poplin. It generally has a removable insulated lining, raglan sleeves, and the classic versions come in various lengths ranging from just above the ankles (the longest) to above the knee (the shortest). It was originally an item of clothi...
A trench coat is a loose top coat made from cotton gabardine, usually belted, and worn by both men and women. They were originally worn by British officers during the Great War, from whence the name derives.
[n] - a military style raincoat
noun a military style raincoat; belted with deep pockets