blacktop /ˈblæktɒp/noun 3verb 1forms 3 noun3 •(US) Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac).Then I was around the hill on the blacktop and in another country. — 1953 •(US) A road so paved. •(US) A paved area on a schoolground reserved for recess activities, often doubling as a parking lot.From the dismissive receptionist in the main office to the lines on the school blacktop for dropping off and picking up children, schools often make parents feel that they must justify their presence. — 2020 verb1 •(US) To pave with blacktop.The county first blacktopped that road decades ago formsblacktopped · blacktopping · blacktops