noun any itching eruption.
2. itch ·noun a constant irritating desire.
3. itch ·vi to have a constant desire or teasing uneasiness; to long for; as, itching ears.
4. itch ·vi to have an uneasy sensation in the skin, which inclines the person to scratch the part affected.
5. itch ·noun a sensation in the skin occasioned (or resembling that occasioned) by the itch eruption;
called also scabies, psora, ·etc.
6. itch ·noun an eruption of small, isolated, acuminated vesicles, produced by the entrance of a parasitic mite (the sarcoptes scabei), and attended with itching. it is transmissible by contact.