Lucius Tarquinius Superbus n 1: according to legend, the seventh and last Etruscan king of Rome who was expelled for his cruelty (reigned from 534 to 510 BC) [syn: {Tarquin}, {Tarquin the Proud}, {Tarquinius}, {Tarquinius Superbus}, {Lucius Tarquinius Superbus}]