1. (noun) a continuation of the Roman Empire in the Middle East after its division in 395

• byzantine empire
• eastern roman empire

1. (noun) an ancient city on the Bosporus founded by the Greeks; site of modern Istanbul; in 330 Constantine I rebuilt the city and called it Constantinople and made it his capital

• byzantine

2. (noun) a continuation of the Roman Empire in the Middle East after its division in 395

• byzantine