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roller gate

American  

noun

  1. (on certain dams) a cylindrical gate that rises and falls by rotating against inclined racks.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But today, the roller gate remains down and locked.

From Washington Post

Army Corps of Engineers employee quickly closed the roller gate when he saw the boat approaching and prevented it from going over the dam.

From Washington Times

Authorities believe the boat went through a roller gate.

From Washington Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.