noun

1. a strip of leather stitched into the seam between the sole and upper of a shoe to strengthen the joining
2. a strip of material, often folded over a cord, placed at the edge or seam of a garment, cushion, etc. to reinforce or trim it
3. 1. a ridge or lump raised on the skin as by a blow
   2. Rare such a blow

Etymology: ME welte, prob. akin to OE wealtan, to roll: for IE base see walk

transitive verb

1. to furnish with a welt
2. to beat severely; thrash
3. to raise welts on