half track

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a motor vehicle propelled by half tracks;
frequently used by the military
• Topics:
military, armed forces, armed services, military machine, war machine
• Hypernyms:
tracked vehicle, military vehicle
2. a track that goes around only rear wheels
• Hypernyms:
track, caterpillar track, caterpillar tread