Pontchartrain, Lake
geographical name
Pont·char·train, Lake
| \ ˈpänt-shər-ˌtrān
, ˌpänt-shər-ˈtrān\
, ˌpänt-shər-ˈtrān\
Definition of Pontchartrain, Lake
lake in southeastern Louisiana east of the Mississippi River and north of New Orleans area about 630 square miles (1632 square kilometers)