What is the source?
The beginning of the river
What is a drainage basin?
The area drained by the river
What is the tributary?
A small river that flows into a larger river
What is the channel?
The physical confines of the river
What is a confluence?
Where 2 rivers meet
What is the watershed?
The border between two drainage basins
What is the bank?
The sides of a river channel
What is the bed?
The bottom of a river channel
what is the mouth?
The end of the river