Wordnet 3.0
NOUN (1)
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]
WordNet (r) 3.0 (2006):
Tarquinius
    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]