ALL meanings of water-vascular system
wa·ter-vas·cu·lar sys·tem
W w - noun water-vascular system a system of closed, fluid-filled tubes and ducts of echinoderms used in clinging, locomotion, feeding, and respiration. 1
- noun water-vascular system in echinoderms, a system of closed tubes and ducts filled with sea water containing some protein, and functioning variously, as in locomotion, food gathering, clinging, and respiration 0