Valonia

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Valonia \Va*lo"ni*a\, n. [It. vallonia, vallonea, fr. NGr.
     balania`, balanidia`, the holm oak, bala`ni, balani`di, an
     acorn, Gr. ba`lanos.]
     [1913 Webster]
     1. The acorn cup of two kinds of oak ({Quercus macrolepis},
        and {Quercus vallonea}) found in Eastern Europe. It


        contains an abundance of tannin, and is much used by
        tanners and dyers.
        [1913 Webster]
  
     2. [Perhaps named from its resemblance to an acorn.] (Bot.) A
        genus of marine green algae, in which the whole frond
        consists of a single oval or cylindrical cell, often an
        inch in length.
        [1913 Webster]