macadam

Definition of Macadam in English :

1. macadam

broken stone used in macadamized roadways

2. macadam, tarmac, tarmacadam

a paved surface having compressed layers of broken rocks held together with tar

WordNet Lexical Database for English. Princeton University. 2010.

Macadam

noun

a road surface made of compressed layers of small broken stones, esp one that is bound together with tar or asphalt

noun

1.

small broken stones used in making roads; esp., such stones combined with a binder such as tar or asphalt

2.

macadamized pavement

n.

Pavement made of layers of compacted broken stone, now usually bound with asphalt.