Langton, Stephen Syllabification: (Lang·ton, Stephen)Pronunciation: /ˈlaNGtən/Definition of Langton, Stephen (circa 1150–1228), English prelate; archbishop of Canterbury 1207–15 and 1218–28. A champion of the English Church, he was involved in the negotiations leading to the signing of Magna Carta. Langton, Stephen in other Oxford dictionaries Definition of Langton, Stephen in the British & World English dictionary