Definition of Mississippi
1
river 2340 miles (3765 kilometers) long in the central U.S. flowing from north central Minnesota to the Gulf of Mexico in Louisiana and flowing through or forming a border of ten states — see itasca, lake
2
river 105 miles (169 kilometers) long in southeastern Ontario, Canada, flowing northeast and north into the Ottawa River
3
state in the southern U.S. bordering on the Gulf of Mexico and having the Mississippi River forming all of its border with Arkansas and part of its border with Louisiana; capital Jackson area 47,689 square miles (123,514 square kilometers), population 2,967,297 — see also mississippian
