'Water gate' definitions:

Definition of 'water gate'

From: WordNet
noun
Regulator consisting of a valve or gate that controls the rate of water flow through a sluice [syn: sluicegate, sluice valve, floodgate, penstock, head gate, water gate]

Definition of 'Water gate'

From: GCIDE
  • Water gate \Wa"ter gate`\ A gate, or valve, by which a flow of water is permitted, prevented, or regulated. [1913 Webster]

Synonyms of 'water gate'

From: Moby Thesaurus