Wiktionary
multicar
a. Using or involving multiple cars
Wikipedia
Multicar
Multicar is a small, specialized multifunctional equipment transporter manufactured at the Hako-Werke GmbH Multicar factory Waltershausen, Germany. Multicar is the only brand that has survived from the East German IFA vehicle industry.
Usage examples of "multicar".
It was not until we reached the emergency room that we heard about the multicar wreck out on 101.