billet-doux


bil·let–doux

noun \ˌbi-lē-ˈdü, ˌbi-(ˌ)lā-\
plural bil·lets–doux \-ˈdü(z)\

Definition of BILLET-DOUX

:  a love letter

Origin of BILLET-DOUX

French billet doux, literally, sweet letter
First Known Use: 1673

Browse

Next Word in the Dictionary: billethead
Previous Word in the Dictionary: billet (noun)
All Words Near: billet-doux

Seen & Heard

What made you want to look up billet-doux? Please tell us where you read or heard it (including the quote, if possible).