Urticaria

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Urticaria \Ur`ti*ca"ri*a\, n. [NL. See {Urtica}.] (Med.)
     The nettle rash, a disease characterized by a transient
     eruption of red pimples and of wheals, accompanied with a
     burning or stinging sensation and with itching; uredo.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  urticaria
       n : an itchy skin eruption characterized by weals with pale
           interiors and well-defined red margins; usually the
           result of an allergic response to insect bites or food or
           drugs [syn: {urtication}, {hives}, {nettle rash}]