From Longman Dictionary of Contemporary Englishwagon trainˈwagon train noun [countable] TTBa long line of wagons and horses used by the people who moved to the West of America in the 19th century
Examples from the Corpus
wagon train• As sundown approached, scores of settlers and a wagon train of police vans moved down the hill as Maj.• She attacked a wagon train two years ago.• The noises got nearer and shapes became clearer - horses pulling a long wagon train.• He was left behind by the rest of the wagon train because his vehicle was so cumbersome. 