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.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.