Definition of tractor-trailer noun from the Oxford Advanced Learner's Dictionary

 

tractor-trailer

 noun
noun
BrE
 
; NAmE
 
(also trailer truck)(North American English) Types of vehicle
 
jump to other results
a large lorry/truck with two sections, one in front where the driver sits and one behind for carrying goods. The sections are connected by a flexible joint so that the tractor-trailer can turn corners more easily. see also articulated See related entries: Types of vehicle
See the Oxford Advanced American Dictionary entry: tractor-trailer