del‧ta /ˈdeltə/ noun [countable]
[Date: 1300-1400; Language: Greek; Origin: from a %Semitic% language]

1. the fourth letter of the Greek alphabet

2. an area of low land where a river spreads into many smaller rivers near the sea:
the Nile delta

[TahlilGaran] Dictionary of Contemporary English ▲

river a line of water that flows into the sea:
They crossed the river by ferry.
the River Tweed
the Yangtze river
tributary a stream or river that flows into a larger river:
The River Trombetas is a tributary of the River Amazon.
estuary the wide part of a river where it goes into the sea:
plans to build a big new airport on the Thames estuary
canal a long passage dug into the ground and filled with water, either for boats to travel along, or to take water to a place:
Venice’s famous canals
a canal boat
delta an area of low land where a river spreads into many smaller rivers near the sea:
the Nile delta
stream a small narrow river:
a cool mountain stream
brook literary a small stream:
There was a small brook, rushing and sparkling along between green banks.
creek a narrow area of sea that goes into the land, or a small river:
The River Fal with its many creeks was a perfect place for smugglers.
The kids hunted for crabs in the muddy creek.
mouth the part of a river where it joins the sea:
Havre-Marat was a port at the mouth of the River Seine.
bank land along the side of a river:
the river bank
He owns a chateau on the banks of the River Loire.
source the place where a river or stream starts:
The source of the River Nile was discovered by a British explorer, John Speke.

[TahlilGaran] English Thesaurus ▲