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 Missouri River officially starts at the confluence of the Jefferson and Madison in Missouri Headwaters State Park near Three Forks, Montana, and is joined by the Gallatin a mile (1.6 km) downstream. The Missouri then passes through Canyon Ferry Lake, a reservoir west of the Big Belt Mountains.