adjective Zoology.
serving for digestion and circulation, as a cavity.

1875–80; gastro- + vascular Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gastrovascular (ˌɡæstrəʊˈvæskjʊlə)
(esp of the body cavities of coelenterates) functioning in digestion and circulation

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
The first is a gastrovascular cavity that opens at only one end.
All digestive-circulatory and gastrovascular cavities are linked to each of the colony members.
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