Definitions:

1. Broken stone of even size used in successively compacted layers for surfacing roads and paths, and typically bound with tar or bitumen. NOUN
   • Rubber tires do not slip on good 'macadam' roads.
   • The name 'macadam' is often used to denote the material used in making roads.

Synonyms:

• tarmac
• tarmacadam

NearBy Words:

• macadamia
• macadamise
• macadamize