Pea coat is a popular outerwear that has made its way to many fashion enthusiasts' wardrobe. Its timeless style and versatility have made it a must-have piece of clothing for many seasons. However, there are several other names that people use to describe pea coats. One common synonym is a pilot jacket. This name traces back to its origin, where the jacket was designed for pilots to keep them warm during their flights. Another synonym for pea coat is a reefer jacket. This name has a nautical origin, and it was used by sailors in the past. Other names for pea coats include a double-breasted coat and a navy coat.