valonia
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va·lo·ni·a
(və-lō′nē-ə, -lōn′yə) or val·lo·ne·a (-nē-ə)n.
The dried acorn cups of an oak tree (Quercus macrolepis) of the eastern Mediterranean, used chiefly in tanning and dyeing.
[Italian vallonea, vallonia, from Modern Greek balánia, pl. of baláni, variant of beláni, acorn, from Greek balanos.]
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.
valonia
(vəˈləʊnɪə)n
(Plants) the acorn cups and unripe acorns of the Eurasian oak Quercus aegilops, used in tanning, dyeing, and making ink
[C18: from Italian vallonia, ultimately from Greek balanos acorn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
va•lo•ni•a
(vəˈloʊ ni ə)n.pl.
acorn cups of an Old World oak, Quercus macrolepis (or Q. aegilops), used in tanning.
[1715–25; < Italian]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.