welt /wɛlt/noun 8verb 5forms 3 noun8 •A ridge or lump on the skin, as caused by a blow or insect bite.When she saw, on the back and shoulders of the child, great welts and calloused spots, ineffaceable marks of the system under which she had grown up thus far, her heart became pitiful within her. — 1851 •A strip, especially one around the edge of something (for example, in some old heraldry).… round about a border of Purple Veluet, with Floure de luces of Gold, embrodred to the full, with a welt and bordure of Ermines foure fingers broad. / Vpon the last named cloath or Couerlet of St / … — 1623 •A strip of leather set into the seam between the outsole of a shoe and the upper, through which these parts are joined by stitching or stapling. •A strip of material or covered cord applied to a seam or garment edge to strengthen or cover it.[The] Mantle of this Order was of Skie-coloured Damask, having broad welt of Gold embroidered on the Collar, and [...] — 1672 •In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint. •In carpentry, a strip of wood fastened over a flush seam or joint, or an angle, to strengthen it. •In machine-made stockings, a strip, or flap, of which the heel is formed. •(no longer used) A shoe made with a welt (strip of leather set into the seam).Previous to the fifties, most of the shoes made were welts, or spring heels, and later most of the work changed to turns or "runrounds" as they were called. — 1912 verb5 •To cause to have welts; to beat."Cover your scut, or I'll welt the skin off it." — 1938 •To install welt (a welt or welts) to reinforce. •(dialect, no longer used) To decay. •(dialect, no longer used) To become stringy. •(no longer used) To roll; revolve. formswelted · welting · welts