cassius longinus 🔊 Listen to this < /ˈgeɪ əs/, died 42 b.c., Roman general: leader of the conspiracy against Julius Caesar. noun Gaius (ˈɡaɪəs). died 42 bc, Roman general: led the conspiracy against Julius Caesar (44); defeated at Philippi by Antony (42) Gaius Cassius Longinus | Great Thoughts Treasury Cassius – 42BC | Armstrong Economics Gaius Cassius Longinus (@CuriousCassius) | Twitter Cassius, fully Gaius Cassius Longinus | Great Thoughts Treasury Gaius Cassius Longinus | Great Thoughts Treasury Cassius – 42BC | Armstrong Economics Bust of Gaius Cassius Longinus, a Roman senator, a leading Gaius Cassius Longinus (@CuriousCassius) | Twitter Gaius Cassius Longinus (@therealgcassius) | Twitter Cassius, fully Gaius Cassius Longinus | Great Thoughts Treasury Bust of Gaius Cassius Longinus, a Roman senator, a leading Gaius Cassius Longinus (@therealgcassius) | Twitter Share Facebook Twitter Google +