the capital and chief port of Portugal, in the southwest on the Tagus estuary: became capital in 1256; subject to earthquakes and severely damaged in 1755; university (1911). Pop: 2 884 297 (2015 est)
Portuguese name: Lisboa (liʒˈboə)
Lisbon in American English
(ˈlɪzbən)
capital of Portugal: seaport on the Tagus estuary: pop. 3,754,000