The definition of a river is a natural stream of water that empties into another body of water.(noun)
An example of a river is the Mississippi River.
See river in Webster's New World College Dictionary
Origin: ME rivere < OFr riviere < VL riparia < L riparius: see riparian
See river in American Heritage Dictionary 4
Origin: Middle English rivere
Origin: , from Anglo-Norman
Origin: , from Vulgar Latin *rīpāria
Origin: , from Latin
Origin: , feminine of rīpārius, of a bank
Origin: , from rīpa, bank.
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