ALL meanings of rubicon
Ru·bi·con
R r - noun rubicon a river in N Italy flowing E into the Adriatic. 15 miles (24 km) long: in crossing this ancient boundary between Cisalpine Gaul and Italy, to march against Pompey in 49 b.c., Julius Caesar made a major military commitment. 1
- idioms rubicon cross / pass the Rubicon, to take a decisive, irrevocable step: Our entry into the war made us cross the Rubicon and abandon isolationism forever. 1
- noun rubicon a stream in N Italy: in ancient times the boundary between Italy and Cisalpine Gaul. By leading his army across it and marching on Rome in 49 bc, Julius Caesar broke the law that a general might not lead an army out of the province to which he was posted and so committed himself to civil war with the senatorial party 0
- noun rubicon a point of no return 0
- noun rubicon a penalty in piquet by which the score of a player who fails to reach 100 points in six hands is added to his opponent's 0
- noun rubicon small river in N Italy that formed the boundary between Cisalpine Gaul & the Roman Republic: when Caesar crossed it (49 b.c.) at the head of his army to march on Rome, he began the civil war with Pompey 0