PO Meaning of PO in English I Po name of river, name of Teletubby BrE AmE pəʊ AmE poʊ —Italian [ pɔ ]II Po 'polonium' BrE AmE ˌpiː ˈəʊ AmE -ˈoʊ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012