Recreational vehicle: A vehicle, which may be motorized, non-motorized, self-propelled or towed, designed and intended specifically for non-commercial use, such as temporary living, travel, and leisure activities, including the trailer that may transport the vehicle. Examples include but not limited to boats, jet skis, race cars, all-terrain bikes, motor homes, travel trailers, and camping trailers.

http://library.municode.com/index.as...teName=Indiana

I can't find the exact thing I was looking for but it is on the indygov website