Itch

To have an uneasy sensation in the skin, which inclines the person to scratch the part affected.

To have a constant desire or teasing uneasiness; to long for; as, itching ears.

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.

Any itching eruption.

A sensation in the skin occasioned (or resembling that occasioned) by the itch eruption; -- called also scabies, psora, etc.

A constant irritating desire.

a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation; "he has a bad case of the itch"

an irritating cutaneous sensation that produces a desire to scratch

a strong restless desire; "why this urge to travel?"