すっぽん

  1. noun (common) (futsuumeishi)

    Chinese soft-shelled turtle (Pelodiscus sinensis), soft-shelled turtle (Trionychidae)
    word usually written using kana alone

    • 月とすっぽんだ。
      They are as different as day and night.
  2. noun (common) (futsuumeishi)

    trap door located on the walkway in a kabuki theatre

  3. noun (common) (futsuumeishi)

    bilge pump (used on traditional Japanese ships)