Definition of rector. 1 : one that directs : leader. 2a : a member of the clergy (as of the Protestant Episcopal Church) in charge of a parishb : an incumbent of a Church of England benefice in full possession of its rightsc : a Roman Catholic priest directing a church with no pastor or one whose pastor has other duties.
The Missouri River is the longest river in the United States. It flows for 2,466 miles (3,968 kilometers). Its source lies in the Rocky Mountains of southwestern Montana; the river is formed by the confluence of the Jefferson, Madison, and Gallatin rivers at Three Forks, Montana.
The staff of Itasca State Park at the Mississippi's headwaters say the river is 2,552 miles long. The US Geologic Survey has published a number of 2,300 miles, the EPA says it is 2,320 miles long, and the Mississippi National River and Recreation Area suggests the river's length is 2,350 miles.