(US, uncountable) Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac). / (US, countable) A road so paved.

(US) To pave with blacktop.

simple past tense and past participle of blacktop

present participle of blacktop

Third-person singular simple present indicative form of blacktop