tractor-trailers
nounUK /ˈtræk.tə ˈtreɪ.ləz/
US /ˈtræk.tɚ ˈtreɪ.lɚz/
Big trucks that pull long trailers behind them to carry heavy loads.
The highway was full of tractor-trailers carrying goods across the country.
OTHER MEANINGS
2. Large vehicles made of two parts: a pulling truck and a trailer it hauls.
The company bought ten new tractor-trailers for its delivery fleet.
3. Heavy road vehicles used to move freight over long distances.
Tractor-trailers lined up at the warehouse to unload their cargo.
4. Combinations of a tractor unit and one or more trailers joined together.
Some tractor-trailers pull two trailers at once on open highways.