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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