Airstream
An airstream can refer to the stream of air that flows past a body in motion, a concept central to aerodynamics and fluid dynamics. It is described by parameters such as velocity, density, temperature, and pressure, and influences lift, drag, and boundary-layer behavior. In aviation and automotive contexts, the term is used to refer to the air moving relative to the object, as in a wake behind a vehicle or the air entering an engine.
Airstream is also the name of Airstream, Inc., an American manufacturer of travel trailers and touring coaches.
Over the decades, Airstream expanded from simple travel trailers to motorized touring coaches, and its products
In both uses, the term conveys ideas of movement and efficiency, whether describing the flow of air