primo uomoPronunciation: /ˌpriːməʊ ˈʊəʊməʊ, ˌprimo ˈwomo/Definition of primo uomo noun (plural primi uomini or primo uomos) the principal male singer in an opera or opera company. Origin:Italian, literally 'first man'primo uomo in other Oxford dictionaries Definition of primo uomo in the US English dictionary