WordReference Random House Unabridged Dictionary of American English © 2026Tar•mac
(tär′mak),USA pronunciation
- Civil Engineering, Trademarks[Trademark.]a brand of bituminous binder, similar to tarmacadam, for surfacing roads, airport runways, parking areas, etc.
n.
- Civil Engineering(l.c.) a road, airport runway, parking area, etc., paved with Tarmac, tarmacadam, or a layer of tar.
- Civil Engineering(l.c.) a layer or covering of Tarmac, tarmacadam, or tar.
Collins Concise English Dictionary © HarperCollins Publishers::
tarmac /ˈtɑːmæk/ n - 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
vb ( -macs, -macking, -macked)- (transitive) (usually not capital) to apply tarmac to
Etymology: 20th Century: an abbreviation of tarmacadam, from tar1 + macadam
'Tarmac' also found in these entries (note: many are not synonyms or translations):