/ fiˈɒnseɪ; -ˈɑːns-; NAmE ˌfiːɑːnˈseɪ/ noun
the man that a woman is engaged to :
Linda and her fiancé were there.
••
WORD ORIGIN
mid 19th cent.: from French , past participle of fiancer betroth, from Old French fiance a promise, based on Latin fidere to trust.