(n.) A love letter or note.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). billet-doux. Retrieved September 21, 2026, from http://smartdefine.org/billet-doux/definitions/1980306 |
| Chicago | Webster's. 2011. "billet-doux" http://smartdefine.org/billet-doux/definitions/1980306 (accessed September 21, 2026). |
| Harvard | Webster's 2011, billet-doux, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/billet-doux/definitions/1980306>. |
| MLA | Webster's. "billet-doux" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/billet-doux/definitions/1980306> |