mobile home(BrE) NAmE trailer) a large caravan that can be moved, sometimes with wheels, that is usually parked in one place and used for living in. OALD Alexander Demidov)
caravan(British English a vehicle that a car can pull and in which people can live and sleep when they are on holiday SYN trailer American English caravan site/park (=area of land where people can park their caravans). LDCE Alexander Demidov)