weltPronunciation: /wɛlt/Translate welt | into French | into Italian | into Spanish Definition of welt noun 1a leather rim sewn round the edge of a shoe upper to which the sole is attached. a ribbed, reinforced, or decorative border of a garment or pocket. 2a red, raised mark or scar; a weal. 3a heavy blow: let me give it a welt with my hammer verb [with object] 1provide with a welt. 2strike (someone or something) hard and heavily:I could have welted him 3 [no object] develop a raised scar or weal:his lip was beginning to thicken and welt from the blowOrigin: late Middle English: of unknown originwelt in other Oxford dictionaries Definition of welt in the US English dictionary