Definition of Rubicon

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

See also:
rubicelle
rubicund

Anagrams containing the word Rubicon

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