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Meaning of waterhead

wa•ter•head

Pronunciation: (wô'tur-hed", wot'ur-), [key]
— n.
  1. the source of a river or stream.
  2. a body of water dammed up for irrigation, to supply a garden, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.