a man engaged to be married; a man to whom a woman is engaged.
Origin: 1850–55; < F: betrothed, ptp. of fiancer, OF fiancier, v. deriv. of fiance a promise, equiv. to fi(er) to trust (< VL *fīdāre, L fīdere) + -ance-ance; see -ee
fi·an·cé (fē'än-sā', fē-än'sā') n. A man to whom a woman is engaged to be married.
[French, from past participle of fiancer, to betroth, from Old French fiancier, from fiance, trust, from fier, to trust, from Vulgar Latin *fīdāre, from Latin fīdere; see bheidh- in Indo-European roots.]