Ferrugo

1 definition found

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

  Ferrugo \Fer*ru"go\ (f[e^]r*r[udd]"g[-o]), n. [L., iron rust,
     fr. ferrum iron.]
     A disease of plants caused by fungi, commonly called the
     {rust}, from its resemblance to iron rust in color.
     [1913 Webster]