'Headwater' definitions:
Definition of 'headwater'
From: WordNet
noun
The source of a river; "the headwaters of the Nile"
Definition of 'Headwater'
From: GCIDE
- Headwater \Head"wa`ter\ (-w[=a]`), n. The source and upper part of a stream; -- commonly used in the plural; as, the headwaters of the Missouri. [Webster 1913 Suppl.]
Synonyms of 'headwater'
From: Moby Thesaurus
- font,
- fount,
- fountain,
- fountainhead,
- head,
- headspring,
- headstream,
- headwaters,
- mainspring,
- mine,
- quarry,
- riverhead,
- source,
- spring,
- springhead,
- well,
- wellhead,
- wellspring