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A cupule is a small structure shaped like a cup, including:

  • In archeology: cupules are circular man-made hollows on the surface of a rock or a rock slab; also a cupstone.
  • In botany: the base of an acorn, see calybium and cupule.
  • In entomology:
    • A sucker on the feet of some flies.
    • A structure on the head of certain aquatic beetles.

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