Spartacus Syllabification: (Spar·ta·cus)Pronunciation: /ˈspärtəkəs/Definition of Spartacus (died circa 71 bc), Thracian slave and gladiator. He led a revolt against Rome in 73, but eventually was defeated by Crassus in 71 and crucified. Spartacus in other Oxford dictionaries Definition of Spartacus in the British & World English dictionary