urtication
n 1: 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}, {urticaria}, {hives}, {nettle rash}]
2: a sensation of having been stung by nettles
Urtication \Ur`ti*ca"tion\, n. (Med.)
The act or process of whipping or stinging with nettles; --
sometimes used in the treatment of paralysis.
[1913 Webster]