wagon train

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a procession (of wagons or mules or camels) traveling together in single file
- we were part of a caravan of almost a thousand camels
- they joined the wagon train for safety
• Syn:
caravan, train
• Derivationally related forms:
caravan (for: caravan)
• Hypernyms:
procession
• Member Meronyms:
covered wagon, Conestoga wagon, Conestoga, prairie wagon, prairie schooner