Definition of saint francis river in English English dictionary
A river, about 756 km (470 mi) long, rising in southeast Missouri and flowing generally southward in a meandering course to the Mississippi River in eastern Arkansas. River, southeastern Missouri and eastern Arkansas, U.S. Rising in southeastern Missouri and flowing south, it enters the Mississippi River just above Helena, Ark. , after a course of 425 mi (684 km). Part of its course forms a portion of the Missouri-Arkansas boundary. It is navigable for 125 mi (201 km)