From black + top.
blacktop (countable and uncountable, plural blacktops)
- (US, uncountable) Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac). [from 20th c.]
- 1953, Raymond Chandler, The Long Goodbye, Penguin 2010, p. 284:
- Then I was around the hill on the blacktop and in another country.
- (US, countable) A road so paved.
blacktop (third-person singular simple present blacktops, present participle blacktopping, simple past and past participle blacktopped)
- (US) To pave with blacktop. [from 20th c.]
- The county first blacktopped that road decades ago