Pythagorean cup

English

Alternative forms

Etymology

Credited to Pythagoras of Samos.

Noun

Pythagorean cup (plural Pythagorean cups)

  1. A practical joke device in a form of a drinking cup, sometimes used to make statements about greed. When it is filled beyond a certain point, a siphoning effect causes the cup to drain its entire contents through the base.

Further reading

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