mogul1 Syllabification: (mo·gul)Pronunciation: /ˈmōgəl/Translate mogul | into French | into Italian Definition of mogul noun 1 informal an important or powerful person, especially in the motion picture or media industry. 2 (Mogul) a steam locomotive with three pairs of driving wheels and one pair of smaller wheels in the front. Origin: late 17th century: figurative use of Mogulmogul in other Oxford dictionaries Definition of mogul in the British & World English dictionary