ver·ti·go /ˈvɝtɪˌgo/
  眩暈,暈頭轉向
  ver·ti·go /ˈvɝtɪˌgo/ 名詞
  眩暈
  Ver·ti·go n.; pl. E. Vertigoes L. Vertigines
  1. Med. Dizziness or swimming of the head; an affection of the head in which objects, though stationary, appear to move in various directions, and the person affected finds it difficult to maintain an erect posture; giddiness.
  2. Zool. Any one of numerous species of small land snails belonging to the genus Vertigo, having an elongated or conical spiral shell and usually teeth in the aperture.
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  vertigo
       n : a reeling sensation; feeling about to fall [syn: dizziness,
            giddiness, lightheadedness]
       [also: vertigoes (pl), vertigines (pl)]