D defs.my
Entry 2 senses Webster, 1913

Vertigo

/vẽrt'-ĭg-ōˌ/ · Ver·ti·go · IPA /ˈvɝtɪɡoʊ/
01 n. Dizziness or swimming of the head; an affection of the head in which objects, though stationary, appear to move in various directions, and …
pl. Vertigoes, Vertigines ((#))
  1. 1.
    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.(Med.)
  2. 2.
    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.(Zool.)