3. A sensation in the skin occasioned (or resembling that
occasioned) by the itch eruption; -- called also
{scabies}, {psora}, etc.
4. A constant irritating desire.
An itch of being thought a divine king. --Dryden.
{Baker's itch}. See under {Baker}.
{Bricklayer's itch}, an eczema of the hands attended with
much itching, occurring among bricklayers.
{Grocer's itch}, an itching eruption, being a variety of
eczema, produced by the sugar mite ({Tyrogluphus
sacchari}).
{Itch insect} (Zo["o]l.), a small parasitic mite ({Sarcoptes
scabei}) which burrows and breeds beneath the human skin,
thus causing the disease known as the itch. See Illust. in
Append.
{Itch mite}. (Zo["o]l.) Same as {Itch insect}, above. Also,
other similar mites affecting the lower animals, as the
horse and ox.
{Sugar baker's itch}, a variety of eczema, due to the action
of sugar upon the skin.
{Washerwoman's itch}, eczema of the hands and arms, occurring
among washerwomen.