tractor

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a wheeled vehicle with large wheels;
used in farming and other applications (Freq. 3)
• Hypernyms:
self-propelled vehicle
• Hyponyms:
bulldozer, dozer, skidder
2. a truck that has a cab but no body;
used for pulling large trailers or vans
• Hypernyms:
truck, motortruck