1. Also called double-bottom, double-trailer truck, tandem . a very long rig consisting of a tractor pulling two trailers hooked up one behind another.
2. a semitrailer designed to be hooked up to another part of such a rig.
1. Also called double-bottom, double-trailer truck, tandem . a very long rig consisting of a tractor pulling two trailers hooked up one behind another.
2. a semitrailer designed to be hooked up to another part of such a rig.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012