n.
Function: noun
Etymology: short for caravan
Date: 1829
1 a : a usually enclosed wagon or motortruck used for transportation of goods or animals also : CARAVAN 2A b : a multipurpose enclosed motor vehicle having a boxlike shape, rear or side doors, and side panels often with windows c : a detachable passenger cabin transportable by aircraft or truck
2 chiefly British : an enclosed railroad freight or baggage car