Trademark. a brand of bituminous binder, similar to tarmacadam, for surfacing roads, airport runways, parking areas, etc.
(lowercase) a road, airport runway, parking area, etc., paved with Tarmac, tarmacadam, or a layer of tar.
(lowercase) a layer or covering of Tarmac, tarmacadam, or tar.
a paving material that consists of crushed stone rolled and bound with a mixture of tar and bitumen, esp as formerly used for a road, airport runway, etc Full name tarmacadam (ˌtɑːməˈkædəm) See also macadam
the tarmac, a runway at an airport: on the tarmac at Nairobi airport