Date: 1200-1300
Language: Old French
Origin: rivere, from Latin riparius 'of a river bank', from ripa 'bank, shore'


riv‧er S2 W2 [countable]
1SG a natural and continuous flow of water in a long line across a country into the sea [↪ stream]:
the Mississippi River
the River Thames
on a river
a boat on the river
along a river
We went for a walk along the river.
up/down (a) river
a ship sailing up river
They drifted slowly down river.
across a river
a bridge across the river
on the south bank of the river (=the land on one side of a river)
trees on the river bank (=the land next to a river)
The River Elbe flows through the Czech Republic.
at the mouth of the river (=where a river joins the sea)
2 a large amount of moving liquid
river of
a river of hot lava flowing from the volcano

➔ sell somebody down the river

at sell1 (10)

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