urticaria Meaning, Definition & Usage

  1. noun 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
    hives; nettle rash; urtication.

WordNet

Ur`ti*ca"ri*a noun
Etymology
NL. See Urtica.
Definitions
  1. (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.

Webster 1913