r-loh]
| 1. | a village in central Belgium, south of Brussels: Napoleon decisively defeated here on June 18, 1815. |
| 2. | a decisive or crushing defeat: The candidate met her Waterloo in the national elections. |
| 3. | a city in E Iowa. 75,985. |
| 4. | a city in SE Ontario, in S Canada. 49,428. |