URTICARIA
urtication, urticaria, hives, nettle rash
(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
Source: WordNet® 3.1
Etymology
Noun
urticaria (countable and uncountable, plural urticarias)
(diseases) Itchy, swollen, red areas of the skin which can appear quickly in response to an allergen or other conditions.
Synonyms
• hives
• nettle-rash
Source: Wiktionary
Ur`ti*ca"ri*a, n. Etym: [NL. See Urtica.] (Med.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition