a town in W Scotland, in West Dunbartonshire near the confluence of the Rivers Leven and Clyde: centred around the Rock of Dumbarton, an important stronghold since ancient times; engineering and distilling. Pop: 20 527 (2001)
Dumbarton in American English
(dʌmˈbɑrtən)
city in W Scotland, on the Clyde: district pop. 77,000