From Longman Dictionary of Contemporary Englishcaravancar‧a‧van /ˈkærəvæn/ ●●○ noun [countable] 1 
British EnglishTTRDLO a vehicle that a car can pull and in which people can live and sleep when they are on holiday SYN trailer American Englishcaravan site/park (=area of land where people can park their caravans)2 British EnglishTTB a covered vehicle that is pulled by a horse, and in which people can live SYN wagon American English a gipsy caravan3 GROUP OF PEOPLEa group of people with animals or vehicles who travel together for safety, especially through a desert
British EnglishTTRDLO a vehicle that a car can pull and in which people can live and sleep when they are on holiday SYN trailer American Englishcaravan site/park (=area of land where people can park their caravans)2 British EnglishTTB a covered vehicle that is pulled by a horse, and in which people can live SYN wagon American English a gipsy caravan3 GROUP OF PEOPLEa group of people with animals or vehicles who travel together for safety, especially through a desertExamples from the Corpus
caravan• Some arrived with tents or caravans.• Lines of washing hung between the caravans, transistor radios played loudly.• Wondering what had caused this sudden transformation I stepped inside the caravan.• John and Angela sat dazed and bewildered as men spilled out of the back of the caravan.• These in effect were stations on the caravan line.• Finally, as the light faded, we set off back to the caravan.• This caravan system could not be coordinated with maritime trade except by means of an extensive semi-capitalist organization.• At least three caravans and sometimes as many as twelve have been there.caravan site/park• There is a caravan park, mercifully hidden from the village street.• Visitors are catered for by hotels, guest houses and a large caravan park and many of them have a regular clientele.• Sand-le-Mere now gives its name to a large caravan site which is nearby.• Our caravan park offers over 50 acres to roam in and enjoy.• The owners have built a gift shop and a tastefully laid out caravan site on the actual station area.• Turn left through the caravan site to stile leading to abandoned railway track, on which turn right.• Follow the cinder path through the caravan park until you reach a surfaced road.• This route is often used by visitors to the caravan site at Six Arches.Origin caravan (1500-1600) Italian caravana, from Persian karwan 