itch /ˈɪʧ/
 癢,渴望,疥癬(vi.)發癢,渴望
 itch /ˈɪʧ/ 名詞
 癢,搔癢,疥瘡
 Itch v. i. [imp. & p. p. Itched p. pr. & vb. n. Itching.]
 1. To have an uneasy sensation in the skin, which inclines the person to scratch the part affected.
    My mouth hath itched all this long day.   --Chaucer.
 2. To have a constant desire or teasing uneasiness; to long for; as, itching ears. “An itching palm.”
 Itch, n.
 1. Med. 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.
 2. Any itching eruption.
 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.
 Barber's itch, sycosis.
 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 Zool., 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. Zool. 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.
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 itch
      n 1: a contagious skin infection caused by the itch mite;
           characterized by persistent itching and skin irritation;
           "he has a bad case of the itch" [syn: scabies]
      2: a strong restless desire; "why this urge to travel?" [syn: urge]
      3: an irritating cutaneous sensation that produces a desire to
         scratch [syn: itchiness, itching]
      v 1: scrape or rub as if to relieve itching; "Don't scratch your
           insect bites!" [syn: rub, scratch]
      2: have or perceive an itch; "I'm itching--the air is so dry!"
      3: have a strong desire or urge to do something; "She is
         itching to start the project"; "He is spoiling for a
         fight" [syn: spoil]