roller gate

noun

Definition of roller gate

: a hollow drum placed horizontally at the crest of a dam and rolled up or down an inclined track by pinion and rack to regulate water elevation

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Cite this Entry

“Roller gate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roller%20gate. Accessed 25 Oct. 2021.

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