con‧ur‧ba‧tion /ˌkɒnɜːˈbeɪʃən $ ˌkɑːnɜːr-/ noun [countable] formal
[Date: 1900-2000; Origin: con- + Latin urbs 'city']
a group of towns that have spread and joined together to form an area with a high population, often with a large city as its centre

[TahlilGaran] Dictionary of Contemporary English ▲