property-carrying unit
Defined in 1 dictionary — U.S. Code
United States Code
49 U.S.C. § 31112 — in this section (2 versions over time)
“property-carrying unit” means any part of a commercial motor vehicle combination (except the truck tractor) used to carry property, including a trailer, a semitrailer, or the property-carrying section of a single unit truck, but not including a trailer or a semitrailer transported as part of a towaway trailer transporter combination (as defined in section 31111(a)).