Definition of valonia
: dried acorn cups especially from a Eurasian evergreen oak (Quercus macrolepis synonym Q. aegilops) used in tanning or dressing leather
Origin and Etymology of valonia
[borrowed from Italian vallonia, vallonea (medieval Upper Italian valania, vallania), borrowed from Middle Greek balanídia, plural of balanídi(on), diminutive of bálanos “acorn,” going back to Greek — more at 1gland
First Known Use: 1722
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