UMBO Meaning of UMBO in English umbo BrE AmE ˈʌm bəʊ AmE -boʊ▷ umbones ʌm ˈbəʊn iːz AmE -ˈboʊn-▷ umbos ˈʌm bəʊz AmE \ -boʊz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012