BILLET-DOUX
Meaning of BILLET-DOUX in English
ˈbilāˈdü, -lē, F bēyādü noun
( plural billets-doux -ˈdüz, F bēyādü)
Etymology: French billet doux, literally, sweet letter
: love letter
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012