waterhead

/ˈwɔtərˌhɛd/
noun
  1. The source or headwaters of a stream or river.
    • Heavy rain caused the waterhead to swell rapidly.
    • The explorers traced the river back to its waterhead in the mountains.
    • The waterhead of this creek is a small spring.
  2. A buildup of water pressure, especially in a pipe or system.
    • A high waterhead can damage old pipes.
    • The plumber checked the waterhead in the main line.
    • They installed a valve to regulate the waterhead.
Antonyms
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