wagon train
noun [ C ] uk/ˈwæɡ.ən ˌtreɪn/ us/ˈwæɡ.ən ˌtreɪn/
(19世纪美国人向西部迁移时运输用的)马车队
a long line of wagons pulled by horses or oxen, used by people in the 19th century who were travelling to the western US with their possessions in order to live there
Compare: caravan
See also: train noun