a mackintosh is a noun that means a type of waterproof jacket made of rubberized fabric. It often has a hood and may be lined with a warm material like wool. The word is derived from the name of a Scottish chemist, Charles Macintosh.
1. I wore my mackintosh on a rainy day and it stayed dry.
2. I was so impressed by my new mackintosh, I decided to buy ten more for everyone in my family.
3. My brother bought a mackintosh with fur-lined hood for extra warmth.