See Also: sheet lightning(dictionary)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
lightning bug(dictionary)
lightning rod(dictionary)
lightning(2)(dictionary)
lightning(1)(dictionary)
lightning(encyclopedia)
lightning(medicine)
lightning strike(dictionary)
lightning conductor(dictionary)

welt (medicine) and sheet lightning (oh)


welt (medicine)


welt


1. That which, being sewed or otherwise fastened to an edge or border, serves to guard, strengthen, or adorn it; as; 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.

A hem, border, or fringe.

In shoemaking, a narrow strip of leather around a shoe, between the upper leather and sole.

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.

2. A narrow border, as of an ordinary, but not extending around the ends. Welt joint, a joint, as of plates, made with a welt, instead of by overlapping the edges. See Weld, 1 .

Origin: OE. Welte, probably fr. W. Gwald a hem, a welt, gwaldu to welt or to hem.

Source: Websters Dictionary


sheet lightning (oh)



n [U]
a type of lightning that appears as a sudden flash of brightness covering a large area of sky
-see also forked lightning