\Ge*ra"ni*ine\, Geranine \Ger"a*nine\, n. [See
{Geranium}.]
1. (Med.) A valuable astringent obtained from the root of the
   {Geranium maculatum} or crane's-bill.
2. (Chem.) A liquid terpene, obtained from the crane's-bill
   ({Geranium maculatum}), and having a peculiar mulberry
   odor. [Written also {geraniin}.]