ferruginous Meaning, Definition & Usage

Fer*ru"gi*nous adjective
Etymology
L. ferruginus, ferrugineus, fr. ferrugo, -ginis, iron rust: cf. F. ferrugineux. See Ferrugo.
Definitions
  1. Partaking of iron; containing particles of iron. Boyle.
  2. Resembling iron rust in appearance or color; brownish red, or yellowish red.

Webster 1913