tarmac

Trademark.

1. a brand of bituminous binder, similar to tarmacadam, for surfacing roads, airport runways, parking areas, etc.

noun

2. (lowercase) a road, airport runway, parking area, etc., paved with Tarmac, tarmacadam, or a layer of tar.
3. (lowercase) a layer or covering of Tarmac, tarmacadam, or tar.

noun

1. 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, etcFull name: tarmacadam (ˌtɑːməˈkædəm) See also macadam
2. the tarmac a runway at an airporton the tarmac at Nairobi airport

verb -macs, -macking or -macked

3. (tr) (usually not capital) to apply tarmac to

n.1903 as a trademark name, short for tarmacadam (1882) “pavement created by spraying tar over crushed stone,” from tar (n.1) + John Latin McAdam (see macadam). By 1919, tarmac was being used generally in Great Britain for “runway.”