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  1. Oxford American Dictionary

    spider nevus

    • IPA[ˈspīdər ˌnēvəs]

    美式

    • n.
      a cluster of minute red blood vessels visible under the skin, occurring typically during pregnancy or as a symptom of certain diseases (e.g. cirrhosis or acne rosacea).

    • noun: spider naevus, plural noun: spider naevi