- French explorer of North America.
- a city in S Quebec, in E Canada: suburb of Montreal.
- a city in N Illinois.
- a city in SE Canada, in Quebec: a S suburb of Montreal. Pop (with Émard): 100 327 (2006)
- Sieur Robert Cavelier de (rɔbɛr kavəlje də). 1643–87, French explorer and fur trader in North America; founder of Louisiana (1682)