About: tractor-trailer truck

Premodifier: tractor-trailer
Head noun: truck

Same concepts
http://dbpedia.org/resource/Semi-trailer_truck

Broader concepts

label	provenance	confidence
high-profile vehicle	isap:226892345	0.840514
commercial vehicle	isap:226892414	0.716888
vehicle	isap:226892357	0.530827

Narrower concepts

label	provenance	confidence