a mixture of small broken stones and a tar or asphalt binder, used to pave roads
Origin of tarmacadamtar + macadam
A pavement consisting of layers of crushed stone with a tar binder pressed to a smooth surface.
(third-person singular simple present tarmacadams, present participle tarmacadaming, simple past and past participle tarmacadamed)
- To cover or surface with tarmacadam.