water-vascular system

noun

: a system of canals in echinoderms containing a circulating watery fluid that is used for the movement of the tentacles and tube feet

Word History

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of water-vascular system was in 1851

Dictionary Entries Near water-vascular system

Cite this Entry

“Water-vascular system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water-vascular%20system. Accessed 30 Jan. 2023.

Kids Definition

water-vascular system

noun
: a system of vessels in echinoderms containing a circulating watery fluid that is used especially for the movement of tentacles and tube feet

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