Longman Dictionary of Contemporary English
WordNet
n. a highway [syn: highroad]
Wikipedia
A trunk road, trunk highway, or strategic road is a major road, usually connecting two or more cities, ports, airports and other places, which is the recommended route for long-distance and freight traffic. Many trunk roads have segregated lanes in a dual carriageway, or are of motorway standard.
Usage examples of "trunk road".
He had followed the Grand Trunk Road between Rawalpindi and Peshawar until he reached a modest track that led into these wooded hills.
It was in the corner of a small industrial estate on Durrell's outskirts, invisible from the trunk road outside, ignored by the estate.
Once past Brussels, he left the trunk road and took smaller highways and back roads, watching behind to be certain he was not being tailed.
That small number included the Zulkir of Enchantment, twenty leagues away from home and riding hard along the old Mulhorand trunk road out of Pyarados on the west bank of the River Thazarim.
Throughout the land, trunk road barriers closed at nightfall and were not opened until dawn, and always guarded by local samurai.