1. (

• Waterloo

) a town in central Belgium where in 1815 Napoleon met his final defeat ;

2. (

• waterloo

) a final crushing defeat; "he met his waterloo" ;

3. (

• Waterloo ,
• Battle_of_Waterloo

) the battle on 18 June 1815 in which Prussian and British forces under Blucher and the Duke of Wellington routed the French forces under Napoleon ;