Tarmac™ noun definition in Features of roads topic from the Oxford Advanced Learner's Dictionary

Tarmac™

 noun: Features of roads topic
1 (less frequent tarmacadam BrE /ˌtɑːməˈkædəm/ ; NAmE /ˌtɑːrməˈkædəm/ ) (North American English also blacktop) a black material used for making road surfaces, that consists of small stones mixed with tar2 the tarmac an area with a Tarmac surface, especially at an airport Three planes were standing on the tarmac, waiting to take off.