"welts" in the noun sense
1. wale, welt, weal, wheal
a raised mark on the skin (as produced by the blow of a whip characteristic of many allergic reactions
2. welt
a raised or strengthened seam
"welts" in the verb sense
1. flog, welt, whip, lather, lash, slash, strap, trounce
beat severely with a whip or rod
"The teacher often flogged the students"
"The children were severely trounced"
2. welt
put a welt on
"welt the shoes"
Source: WordNet® (An amazing lexical database of English)
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