from
The Collaborative International Dictionary of English v.0.48
welt \welt\ (w[e^]lt), n. [OE. welte, probably fr. W. gwald a
hem, a welt, gwaldu to welt or to hem.]
[1913 Webster]
1. That which, being sewed or otherwise fastened to an edge
or border, serves to guard, strengthen, or adorn it; as:
(a) A small cord covered with cloth and sewed on a seam or
border to strengthen it; an edge of cloth folded on
itself, usually over a cord, and sewed down.
(b) A hem, border, or fringe. [Obs.]
(c) In shoemaking, a narrow strip of leather around a
shoe, between the upper leather and sole.
(d) In steam boilers and sheet-iron work, a strip riveted
upon the edges of plates that form a butt joint.
(e) In carpentry, a strip of wood fastened over a flush
seam or joint, or an angle, to strengthen it.
(f) In machine-made stockings, a strip, or flap, of which
the heel is formed.
[1913 Webster]
2. (Her.) A narrow border, as of an ordinary, but not
extending around the ends.
[1913 Webster]
3. A raised ridge on the surface of the skin, produced by a
blow, as from a stick or whip; a wale; a weal; as, to
raise welts on the back with a whip.
Syn: wale; weal; wheal.
[PJC]
4. A blow that produces a welt[3].
[PJC]
{Welt joint}, a joint, as of plates, made with a welt,
instead of by overlapping the edges. See {Weld}, n., 1
(d) .
[1913 Webster]