tide gate
noun
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.
a restricted passage, as a strait, through which the tide flows swiftly.
Origin of tide gate
First recorded in 1745–55
Words nearby tide gate
tiddly,
tiddlywink,
tiddlywinks,
tide,
tide gage,
tide gate,
tide in the affairs of men, there is a,
tide lock,
tide mill,
tide over,
tide pool