yogurt Syllabification: (yo·gurt)Pronunciation: /ˈyōgərt/ (also yoghurt or yoghourt)Translate yogurt | into German | into Spanish Definition of yogurt noun a semisolid sourish food prepared from milk fermented by added bacteria, often sweetened and flavored. Origin: early 17th century: from Turkish yoǧurt Yogurt can also be spelled yoghurt or yoghourt: all three are correct.yogurt in other Oxford dictionaries Definition of yogurt in the British & World English dictionary