noun, riv·er often attributive \ˈri-vər\

: a large natural flow of water that crosses an area of land and goes into an ocean, a lake, etc.

: a large flow of something

Full Definition of RIVER

a :  a natural stream of water of usually considerable volume
b :  watercourse
a :  something resembling a river <a river of lava>
b plural :  large or overwhelming quantities <drank rivers of coffee>
up the river
:  to or in prison <was sent up the river>

Origin of RIVER

Middle English rivere, from Anglo-French, from Vulgar Latin *riparia, from Latin, feminine of riparius riparian, from ripa bank, shore; perhaps akin to Greek ereipein to tear down
First Known Use: 14th century

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with RIVER

RIVER Defined for Kids


noun riv·er \ˈri-vər\

Definition of RIVER for Kids

:  a natural stream of water larger than a brook or creek
:  a large stream or flow <a river of mud>
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