zedoary Syllabification: (zed·o·a·ry)Pronunciation: /ˈzedōˌerē/Definition of zedoary noun an Indian plant related to turmeric, with an aromatic rhizome. Curcuma zedoaria, family Zingiberaceae a gingerlike substance made from the rhizome of the zedoary plant, used in medicine, perfumery, and dyeing. Origin: late Middle English: from medieval Latin zedoarium, from Persian zadwārzedoary in other Oxford dictionaries Definition of zedoary in the British & World English dictionary