OREL Meaning of OREL in English /aw rel", oh rel"/ ; Russ. /u rddyawl"/ , n.a city in the W Russian Federation in Europe, on the left bank of the Oka River, S of Moscow. 335,000. Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012