What does "blacktop" mean?

Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac).

Blacktop

Common synonyms include: asphalt, bitumen, tarmac, asphalt concrete, bituminous macadam, blacktopping.

//ˈblæktɒp// noun, verb

noun, verb ·Uncommon ·Advanced level

Noun

1
Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac). US, uncountable
"Then I was around the hill on the blacktop and in another country."
2
a black bituminous material used for paving roads or other areas; usually spread over crushed rock wordnet
3
A road so paved. US, countable
4
A paved area on a schoolground reserved for recess activities, often doubling as a parking lot. US, countable
"At one time, students were able to play basketball on the blacktop behind the school building, and teachers were also able to park on campus. Now, teachers park on the streets, and there is no place for students to let off steam with casual, non-organized sports before or after school."