'tarmac' definitions:
Definition of 'tarmac'
From: WordNet
noun
A paving material of tar and broken stone; mixed in a factory and shaped during paving [syn: tarmacadam, tarmac]
noun
A paved surface having compressed layers of broken rocks held together with tar [syn: tarmacadam, tarmac, macadam]
verb
Surface with macadam; "macadam the road" [syn: macadamize, macadamise, tarmac]