D defs.my
Entry 1 sense Webster, 1913

Ferrugo

/(fĕr*rṳ"gō̇)/ · Fer·ru·go · IPA
01 n. A disease of plants caused by fungi, commonly called the rust, from its resemblance to iron rust in color.
  1. 1.
    A disease of plants caused by fungi, commonly called the rust, from its resemblance to iron rust in color. Also: rust