a bituminous product used for supplying a smooth paving to a road
- layer with blacktop
- a black bituminous product employed for paving roads or other places; generally spread over broken rock
road resurfacing material, 1931, United states English, from black colored (adj.) + top (n.1).
But thanks to their quest for gold, the entire region was now traversed by hundreds of semi-navigable trails, open to those who dared venture from the blacktop of civilization to the timeless beauty of an unchanged world.