welt

(noun) a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions. Synonyms: wale, weal, wheal.

(noun) a raised or strengthened seam.

(verb) beat severely with a whip or rod. Synonyms: flog, whip, lather, lash, slash, strap, trounce. Examples: "The teacher often flogged the students." "The children were severely trounced."

(verb) put a welt on. Examples: "Welt the shoes."