water-vascular system
[ waw-ter-vas-kyuh-ler, wot-er- ]
nounZoology.
a system of closed, fluid-filled tubes and ducts of echinoderms used in clinging, locomotion, feeding, and respiration.
Origin of water-vascular system
1First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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