tide gate: Meaning and Definition of

tide' gate"

Pronunciation: [key]
  1. a gate through which water flows when the tide is in one direction and that closes automatically when the tide is in the opposite direction.
  2. a restricted passage, as a strait, through which the tide flows swiftly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.