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water tube

noun
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Definition of water tube

: a tube for passing or holding water: such as
a : a tube in some steam boilers in which water circulates and steam is generated
b : a tube of a system of tubular excretory organs in many invertebrates that have external openings and that are held to be analogous in function to the kidneys of vertebrates

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Cite this Entry

“Water tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20tube. Accessed 27 Sep. 2021.

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