[vuh-loh-nee-uh] 
| acorn cups of an Old World oak, Quercus macrolepis (or Q. aegilops), used in tanning, dyeing, and making ink. |
| va·lo·ni·a (və-lō'nē-ə, -lōn'yə) n. The dried acorn cups of an oak tree (Quercus aegilops) of the eastern Mediterranean, used chiefly in tanning and dyeing. [Italian vallonia, from Modern Greek balania, pl. of balani, acorn, from Greek balanos.] |