Word Study
valonia
CIDE DICTIONARY
valonia, n. [It. vallonia, vallonea, fr. NGr. balania`, balanidia`, the holm oak, bala`ni, balani`di, an acorn, Gr. ba`lanos.].
- The acorn cup of two kinds of oak (
Quercus macrolepis , andQuercus vallonea ) found in Eastern Europe. It contains an abundance of tannin, and is much used by tanners and dyers. [1913 Webster] - A genus of marine green algæ, in which the whole frond consists of a single oval or cylindrical cell, often an inch in length. [1913 Webster]
OXFORD DICTIONARY
valonia, n. acorn-cups of an evergreen oak, Quercus macrolepsis, used in tanning, dyeing, and making ink.
Etymology
It. vallonia ult. f. Gk balanos acorn
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