Category:Uredo

U*re"do, n. Etym: [l., a blast, blight, a burning itch, fr. urere to Burn, to scorch.]

1. (bot.)

Defn: one of the stages in the life history of certain rusts (uredinales), regarded at one time as a distinct genus. It is a Summer stage preceding the teleutospore, or winter stage. See Uredinales, in the supplement.

2. (med.)

Defn: nettle rash. See urticaria.