A truck trailer is an integral component in the transportation industry, but it is not the only term used to describe this essential vehicle. Synonyms for truck trailer include semi-trailer, tractor-trailer, and trailer truck, which are commonly used interchangeably. Additionally, there are different types of truck trailers that cater to various needs such as flatbed trailers, dry van trailers, refrigerated trailers, and more. Depending on the cargo being transported, different types of truck trailers may be required to ensure the safety and security of the goods. These synonyms for truck trailers are important to know when discussing any aspect of the transportation industry.