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Definition of Welt

Welt: A red bump, ridge or swelling of unbroken skin raised by a stinging blow or by an allergic reaction to foods, drugs or insect bites, as in hives (urticaria).

The word "welt" has a number of nonmedical but related meanings including: in sewing, an edge of cloth folded on itself, often over a cord, and sewed down; and in shoemaking, a narrow strip of leather around the shoe between the upper leather and sole.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=10126
Last Editorial Review: 8/28/2013

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