Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “river”


noun [C]    /ˈrɪv·ər/
water that flows naturally through a wide channel that is surrounded by land: the Mississippi River We went swimming in the river. A river is also any large flow of a liquid: Rivers of sweat ran down his back.
(Definition of river noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of river

Browse related topics

You are looking at an entry to do with Watercourses & waterfalls, but you might be interested in these topics from the Seas, rivers & water topic area:

Definitions of “river” in other dictionaries

Word of the Day


When a boat or a ship sails, it travels on the water.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More