Definition of Isle of Man in English:
Isle of Man
proper nounʌɪləvˈmanˌaɪl əv ˈmæn
An island in the Irish Sea which is a British Crown dependency having home rule, with its own legislature (the Tynwald) and judicial system; population 88,000 (estimated 2015); capital, Douglas. The island was part of the Norse kingdom of the Hebrides in the Middle Ages, passing into Scottish hands in 1266 for a time, until the English gained control in the early 15th century. Its ancient language, Manx, is still occasionally used for ceremonial purposes.
Definition of Isle of Man in US English:
Isle of Man
proper nounˌīl əv ˈmanˌaɪl əv ˈmæn
An island in the Irish Sea that is a British Crown colony with home rule; population 88,000 (estimated 2015); capital, Douglas. Its ancient language, Manx, is still occasionally used for ceremonial purposes.