Orange UK /ˈɒ.ɹɪnd͡ʒ/US /ˈɔɹ.ənd͡ʒ/adjective 1noun 2forms 1phrases 1 adjective1 •Of or relating to the Orange Order. noun2 •Short for Orange River, the longest river in South Africa; named for William V, prince of Orange from 1751–1806. •(Ireland, informal) Short for Orangeman, a member of the Orange Order or any advocate of continued British rule over Northern Ireland. formsOranges Phrases with Orange orange wineA type of wine made from white wine grapes whose skins are not removed.