a real motorized house with all the support systems, niceties and necessities
a self-propelled vehicle, such as a motor home, pickup truck with attached camper, and bus, used exclusively for personal pleasure by an individual
a towable or motorized vehicle that combines transportation and temporary living quarters for travel, recreation and camping
Vehicles used for personal pleasure and not in connection with any commercial or business enterprise. Recreational vehicles include such vehicles as campers and motor homes.
In North American English the term recreational vehicle and its derived acronym, RV, are generally used to refer to an enclosed piece of equipment dually used as both a vehicle, a temporary travel home or a full time home.