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headwater

headwater

6 7.2
The source or small streams at the start of a river
  • noun
  • /ˈhɛdˌwɔtər/
  • Specialized
translation icon : nacimiento
  • The scientists studied the headwaters of the river to understand its ecosystem.
  • headwater streams
  • headwaters of rivers
  • headwater restoration

Examples

  • The headwaters of Willet Creek in Terry Canyon.

  • When downstream farmers ran out of water in 1863, they went to the headwaters to investigate.

    Academic text (1992)
  • This is the headwaters of the water throughout the eastern United States.

  • Probably on the east side of the andes, somewhere near the headwaters of the Amazon.

  • Its headwaters are located on the plains west of the Houston metropolitan area in Waller County.

    Academic text (2006)
  • We fly from Iquitos over the headwaters of the Amazon, across the Andes, and out into the Pacific.

    Academic text (2008)
  • The long-disputed Jordan River has headwaters in Syria, Jordan, Lebanon, and Israel.

    Academic text (1993)
  • A perennial favorite in Spring Term is a hike to the headwaters of the Hudson River in the Adirondack Mountains.

    Academic text (2005)
  • The Amazon River rises and falls with the annual influx of water from its headwaters in the Andes and its numerous tributaries.

    Academic text (2002)
  • Migratory fish also spawn in these Andean headwaters after returning from long journeys downstream.

    Academic text (2011)

Synonyms

head
vsheadwater
65 5.6

The source of a river or stream

is narrower, applying specifically to the river source and its upper streams
branch
vsheadwater
47 3.7

A smaller river or stream that flows into a larger one

is used for contributors not for the original source
tributary
vsheadwater
15 4.6

A smaller river that flows into a larger river or lake

is more about contribution than being the original source
fountainhead
vsheadwater
2 8.0

The spring where a river or stream begins

is broader, referring to the whole upper source area
feeder
vsheadwater
1 4.9

A small stream that flows into a larger river

is about supplying flow rather than being the initial source
headwaters
vsheadwater
  • Specialized
1 5.5

The place where a river or stream begins

is the same but stresses upper contributing streams
riverhead
vsheadwater
1 5.6

The place where a river begins, often in the hills

is similar but can include nearby upper tributaries
headstream
vsheadwater
7.9

A small stream that forms the start of a river

is broader, meaning the source area including several upper streams
headspring
vsheadwater
  • Archaic
7.8

The place where a stream or river starts

is similar but includes other upper tributary sources too

How Big

river
1.0
stream
150 1.0
headwater
  • Specialized
6 7.2
brook
23 1.0
rill
3 8.6

Surface Forms

headwater singular
headwaters plural

Morphology

headwater = head + water (transparent) = head + water

The compound 'head' + 'water' clearly denotes the source or upper part of a river, a meaning that learners can derive from the components.

Etymology

Headwater comes from two simple words, head ('top' or 'start') and water, so it means the place at the top where a river's water begins. Think of the 'head' of a person — the river's head is its starting point high in the hills.