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Noun: Rubicon  'roo-bi,kón
  1. A line that when crossed permits of no return and typically results in irrevocable commitment
    - point of no return
     
  2. The boundary in ancient times between Italy and Gaul; Caesar's crossing it with his army in 49 BC was an act of war

Derived forms: Rubicons

Type of: bound, boundary, bounds, contrast, demarcation, dividing line, line

Encyclopedia: Rubicon, WI