The term 'vehicle that taxis' can be summarized as a PLANE, which is a five-letter word. Planes are a type of aircraft that are used for transportation of people and goods. They are powered by jet engines and have wings that allow them to fly through the air. Planes are commonly used for commercial flights, but they can also be used for private charters, cargo transport, and military operations. Taxis are planes that are used to transport passengers from one place to another, usually for a fee.