Chrétien de TroyesPronunciation: /ˌkreɪtjã də ˈtrwʌ, kʀetjɛ̃ də tʀwa/Definition of Chrétien de Troyes (12th century), French poet. His courtly romances on Arthurian themes include Lancelot (circa 1177–81) and Perceval (1181–90, unfinished). Chrétien de Troyes in other Oxford dictionaries Definition of Chrétien de Troyes in the US English dictionary