ancient city in Assyria, often erroneously identified as the site of a battle (331 ) in which Alexander the Great defeated Darius III of Persia: modern name Irbil
See Arbela in American Heritage Dictionary 4
(är-bēˈlə)
An ancient town of Assyria in present-day northern Iraq. Its name is sometimes given to the battle fought at Gaugamela, about 97 km (60 mi) away, in which Alexander the Great defeated Darius III in 331 B.C.