Rare but attested verb meaning to pave with macadam.
Definitions
To cover or pave (a road or path) with layers of compacted broken stone; to apply macadam to. The county plans to macadam the dirt lanes before winter.
Used attributively before nouns (e.g., "macadam road").
Definitions
Relating to, made of, or surfaced with macadam. The cyclists preferred the macadam roadway for its smoothness.