1. Partaking of iron; containing particles of iron. Boyle.

2. Resembling iron rust in appearance or color; brownish red, or yellowish red.

FERRUGO
Fer*ru"go, n. Etym: [L., iron rust, fr. ferrum iron.]

Defn: A disease of plants caused by fungi, commonly called the rust, from its resemblance to iron rust in color.

FERRULE Fer"rule ( or ; 277), n. Etym: [Formerly verrel, F. virole, fr. L. viriola little bracelet, dim. of viriae, pl., bracelets; prob. akin to viere to twist, weave, and E. withe. The spelling with f is due to confusion with L. ferrum iron.]

1. A ring or cap of metal put round a cane, tool, handle, or other similar object, to strengthen it, or prevent splitting and wearing.

2. (Steam Boilers)

Defn: A bushing for expanding the end of a flue to fasten it tightly in the tube plate, or for partly filling up its mouth.

FERRUMINATE Fer*ru"mi*nate, v. t. Etym: [L. ferruminatus, p.p. of ferruminare to cement, solder, fr. ferrumen cement, fr. ferrum iron.]

Defn: To solder or unite, as metals. [R.] Coleridge.