'Billets-doux' definitions:
Definition of 'Billets-doux'
From: GCIDE
- Billet-doux \Bil`let-doux"\ (b[i^]l`l[asl]*d[=oo]"), n.; pl. Billets-doux (b[i^]l`l[asl]*d[=oo]z"). [F. billet note + doux sweet, L. dulcis.] A love letter or note. [1913 Webster]
- A lover chanting out a billet-doux. --Spectator. [1913 Webster]