U*re"do (?), n. [L., a blast, blight, a burning itch, fr. urere to burn, to scorch.]
1. Bot.
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.
Nettle rash. See Urticaria.
© Webster 1913.