pia
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pi·a
(pī′ə, pē′ə)n.
The pia mater.
pi′al 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.
pia
(ˈpaɪə; ˈpiːə)n
1. (Anatomy) anatomy the innermost of the three membranes that cover the brain and the spinal cord
2. (Plants) a herb from East India which has an edible root that produces arrowroot starch
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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| Noun | 1. |  pia - perennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starchherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests genus Tacca, Tacca - genus of tropical plants with creeping rootstocks and small umbellate flowers |
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