a small town in central Belgium, in Walloon Brabant province south of Brussels: battle (1815) fought nearby in which British and Prussian forces under the Duke of Wellington and Blücher routed the French under Napoleon. Pop: 29 003 (2004 est)
2.
a total or crushing defeat (esp in meet one's Waterloo)
Waterloo in American English1
(ˈwɔtərˌlu; ˌ wɔtərˈlu)
noun
any disastrous or decisive defeat
Word origin
after Waterloo2 (sense 2), the scene of Napoleon's defeat
Waterloo in American English2
(ˈwɔtərˌlu; ˌ wɔtərˈlu)
1.
city in NE Iowa: pop. 69,000
2.
town in central Belgium, south of Brussels: scene of Napoleon's final defeat (June 18, 1815) by the Allies under Wellington & Blücher: pop. 25,000