caravan

noun

• 1British a vehicle equipped for living in, typically towed by a car and used for holidays: they spent a fishing holiday in a caravan [as modifier]:a caravan holiday
• a covered horse-drawn wagon:a Gypsy caravan
• North American a covered lorry.

• 2 historical a group of people, especially traders or pilgrims, travelling together across a desert in Asia or North Africa.
• any large group of people, typically with vehicles or animals, travelling together in single file:a caravan of cars and trucks