Definition of "valves" []

• Plural form of valve. (noun)

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• "At the junction of each of these great vessels with its corresponding ventricle, is another valvular apparatus, consisting of three pouch-like valves, called the _semilunar valves_, from their resemblance, in shape, to a half-moon."
• "Example: I needed to take down 4 very large valves from a paper mill smoke stack."
• "At 10: 50 p.m., firefighters reported to have shut off "several main valves" stopping the flow of water."