Héloïse Syllabification: (Hé·lo·ïse)Pronunciation: /ˈ(h)eləˌwēz/Definition of Héloïse (1098–1164), French abbess. She is known for her tragic love affair with the theologian Abelard. She later became abbess of the community of Paraclete. Héloïse in other Oxford dictionaries Definition of Héloïse in the British & World English dictionary