mushroom ventilator

noun

Definition of mushroom ventilator

: a ship's ventilator with a curved hood that may be raised or lowered to regulate the air in cabins below deck

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Cite this Entry

“Mushroom ventilator.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/mushroom%20ventilator. Accessed 22 November 2019.

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