Alcock, Sir John William Syllabification: (Al·cock, Sir John William)Pronunciation: /ˈôlˌkäk/Definition of Alcock, Sir John William (1892–1919), English aviator. With Sir Arthur Whitten Brown, he made the first nonstop transatlantic flight in June 1919. Alcock, Sir John William in other Oxford dictionaries Definition of Alcock, Sir John William in the British & World English dictionary
