rivière Syllabification: (ri·vière)Pronunciation: /ˌrivēˈe(ə)r, riˈvye(ə)r/Definition of rivière noun a necklace of gems that increase in size toward a large central stone, typically consisting of more than one string. Origin: late 19th century: French, literally 'river'rivière in other Oxford dictionaries Definition of rivière in the British & World English dictionary