'macadam' definitions:

Definition of 'macadam'

From: WordNet
noun
Broken stone used in macadamized roadways
noun
A paved surface having compressed layers of broken rocks held together with tar [syn: tarmacadam, tarmac, macadam]

Definition of 'macadam'

From: GCIDE
  • macadam \macadam\ n. The broken stone used in macadamized roadways. [WordNet 1.5]
  • 2. A paved surface formed of compressed layers of broken rocks held together with tar.
  • Syn: tartarmac, macadam. [WordNet 1.5] macadam

Definition of 'macadam'

From: GCIDE
  • macadam \macadam\ macadamized \macadamized\adj.
  • 1. paved with macadam[2].
  • Syn: asphalt, tarmac, tarmacadam. [WordNet 1.5]