frogman Syllabification: (frog·man)Pronunciation: /ˈfrôgˌman, ˈfräg-, -mən/Translate frogman | into French | into German | into Italian | into Spanish Definition of frogman noun (plural frogmen) a person who swims underwater wearing a rubber suit, flippers, and an oxygen supply. frogman in other Oxford dictionaries Definition of frogman in the British & World English dictionary