whelk /ˈhwɛlk, ˈwɛlk, ˈwɪlk/
  峨螺,粉刺,青春痘
  Whelk n.  Zool. Any one numerous species of large marine gastropods belonging to Buccinum and allied genera; especially, Buccinum undatum, common on the coasts both of Europe and North America, and much used as food in Europe.
  Whelk tingle, a dog whelk.  See under Dog.
  Whelk, n.
  1. A papule; a pustule; acne.  “His whelks white.”
  2. A stripe or mark; a ridge; a wale.
  Chin whelk Med., sycosis.
  Rosy whelk Med., grog blossom.
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  whelk
       n 1: large marine snail much used as food in Europe
       2: large carnivorous marine gastropods of coastal waters and
          intertidal regions having a strong snail-like shell
       v : gather whelk