Tractor-trailer
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A large truck consisting of an engine and cab section (the tractor) and a cargo-carrying semi-trailer or trailer. Northeastern, US
Example
More examples"Mr. Bronstone says the mere fact barges are available keeps the costs of truck and rail transport competitive. Although barge traffic is slower, the vessels carry 15 times more than the average rail car and 60 times more than a tractor-trailer truck. A rise or decline in barge traffic could have a significant impact on the nation's highway system."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.