[bil-ey-doo, bil-ee-; French bee-yey-doo]
noun, plural bil·lets-doux [bil-ey-dooz, bil-ee-; French bee-yey-doo] /ˈbɪl eɪˈduz, ˈbɪl i-; French bi yeɪˈdu/.
- a love letter.
Origin of billet-doux
literally, sweet note. See billet1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for billet-doux
Historical Examples of billet-doux
He summoned me into his study, where I saw my billet-doux lying on the table.
A papal excommunication is a billet-doux compared to the Commination of Jugana.
Excuse me, Mr. Coates, I must have a peep at her ladyship's billet-doux.
They receive a challenge like a "billet-doux," and a home-thrust as a favour.
Twenty to seven,—seven oclock they were due at the Billet-doux.
British Dictionary definitions for billet-doux
noun plural billets-doux (ˌbɪlɪˈduːz, French bijɛdu)
- old-fashioned, or jocular a love letter
Word Origin for billet-doux
C17: from French, literally: a sweet letter, from billet (see billet 1) + doux sweet, from Latin dulcis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for billet-doux
also billet doux, 1670s, "love letter," French, literally "sweet note," from billet "document, note" (14c., diminutive of bille; see bill (n.1)) + doux "sweet," from Latin dulcis (see dulcet).
Online Etymology Dictionary, © 2010 Douglas Harper