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A plant, often with deep roots, that is mostly or entirely dependent on water from a permanent ground supply.
[Greek phrear, phreat-, well, spring; see phreatic + -phyte.]
phre·at′o·phyt′ic (-fĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Botany) botany a plant having very long roots that reach down to the water table or the layer above it
[C20: from Greek phrear a well + -phyte]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014