an ancient region of NE Asia Minor, on the Black Sea: became a kingdom in the 4th century bc; at its height under Mithridates VI (about 115–63 bc), when it controlled all Asia Minor; defeated by the Romans in the mid-1st century bc
Pontus in American English
(ˈpɑntəs)
ancient kingdom in NE Asia Minor, on the Pontus Euxinus