What does semi-truck mean?
semi-truck
Plural: semi-trucks
Synonyms: semi, tractor-trailer, eighteen-wheeler
Definition
A big truck with a cab in front and a long trailer hitched behind, for hauling goods over long distances.
Example sentences
What do all those semis haul at night? The highway's packed with them after midnight.
What do all those semis haul at night? The highway's packed with them after midnight.
That semi's way overloaded — look how low the trailer's sitting on its wheels.
That semi's way overloaded — look how low the trailer's sitting on its wheels.
Passing a semi on the freeway still freaks me out — the whole car shakes when you go by.
Passing a semi on the freeway still freaks me out — the whole car shakes when you go by.